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WO/1995/004778A1 |
Disposable plastic articles of manufacture which are fully compostable and resin compounds for making the same are produced by ionizing radiation treatment of normally nondegradable cellulose acetate. The invention resides in and is pred...
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WO/1994/029404A1 |
Polyphenol derivative compositions mainly containing oligomers or polymers with monomeric units of formula (I), wherein A is an -OR group, a hydrogen atom or a substituent R; at least a majority of the substituents R are a -COR1 group, w...
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WO/1994/028414A1 |
A sensor format is described based on the impedance analysis of polymer coatings of electrodes. The detectable signal is produced by the effect of a reactive or catalytic species at or very near to the polymer coated electrode. Said reac...
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WO/1994/013838A1 |
High-shear, microcavitation is used to shred and disintegrate lignocellulose-containing biomass. This process is preferably done with the biomass particles dispersed in a slurry created using only water. The process can be performed on s...
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WO/1994/013731A1 |
The present invention relates to a modified collagen, which is soluble in water and/or in aprotic polar organic solvents and which comprises free or substituted thiol functions carried by cystein rests or derivatives thereof, said rests ...
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WO/1994/012644A2 |
A process for the in vitro production of chemically modified polyphenolic polymer (PPP). First, stable, highly active extracellular tyrosinase is produced from genetically transformed microorganism such as Streptomyces antibioticus. The ...
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WO/1994/012563A1 |
Methods for producing high-molecular products from materials containing collagen which may be used in light industry in the manufacture of leather-like material are described. A mass is produced from leather raw material by means for mac...
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WO/1994/010345A1 |
Collagen is treated with a water-soluble compound which, in the free acid form, is of formula (1) wherein: L is an organic linking group; W is a covalent bond, -O-, -S-, -SO-, SO2-, -SO2NR1-, -NR1-, -NR1CO(CH2)p-, -NR1CONR1-, -NR1CH2CONR...
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WO/1994/009057A1 |
Reaction of Lignocellulosic material with Acetic Anhydride vapour greatly improves dimensional stability and resistance to biological attack and is according to this, invention made in the absence of any co-solvent or added catalyst in a...
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WO/1994/005249A1 |
The invention concerns a hair fixer characterized in that it contains lignin obtained without sulphur and/or at least one sulphur-free lignin derivative plus the new sulphur-free lignin derivative dihydroxypropyl lignin. The agent propos...
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WO/1994/005216A1 |
A method of smoothing irregular corneal surfaces and removing protuberances from corneal surfaces by photoablative eximer laser keratectomy is provided. Collagen compositions for use in making collagen modulators useful in photoablative ...
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WO/1994/004201A1 |
A foil-shaped wound covering material based on collagen fibres, its laminates and a process for preparing the same are disclosed. The wound covering material essentially consists of insoluble, partially modified collagen characterized by...
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WO/1994/001483A1 |
Pharmaceutically acceptable, non-immunogenic conjugates are formed by covalently binding a biologically inactive, natural polymer or derivative thereof to pharmaceutically pure, synthetic hydrophilic polymers via specific types of chemic...
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WO/1993/023456A1 |
A biodegradable interpolymer and composition is prepared by the reactive blending of a synthetic polymer having functional groups with a naturally occurring biodegradable polymer such as a carbohydrate or protein compound. During reactiv...
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WO/1993/022370A1 |
The invention relates to undecylenic acid derivatives characterized in that they are the product obtained from the reaction of undecylenic acid with a hydrophilic organic macromolecule having primary alcohol and/or primary amine groups. ...
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WO/1993/021331A2 |
Novel polypeptide compositions and methods for their use are provided comprising fusion proteins in which the polysaccharide binding domain or functional portion thereof of a polysaccharidase is fused to a heterologous protein or is conj...
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WO/1993/020119A1 |
A novel biodegradable, water resistant polymer material is disclosed which can be produced with defined material properties, in particular as foils, films, strips, compounds, moulded bodies or the like, and which is essentially composed ...
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WO/1993/017919A1 |
A container of thermoplastic material having a label (20) which substantially covers the visible outer surface of the body of the container. The container is made either as a single layer or multi-layer extrusion. The layer (12) of the c...
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WO/1993/012877A1 |
A porous body derived from a polymeric material, e.g. a gel-forming polymeric material, said body having an open-celled 3-dimensional lattice structure, a density of less than about 1.0 g/cc (cubic centimeter) and a surface area equal to...
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WO/1993/013137A1 |
A method for insolubilizing films of N-carboxyalkyl derivatives of chitosan uses an annealing process to provide materials which can have varied degradation times. These materials can be used for various biomedical applications such as a...
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WO/1993/010154A1 |
Collagen-like polymers having repetitive triads are produced having reduced proline content, where glycine is the initial amino acid and the subsequent amino acids are varied, while retaining at least a minimum percentage of prolines. Th...
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WO/1993/006153A1 |
The proposed material is characterized by the presence of the following groups connected to an initial lignocellulose material by means of -O- links at the points of location of hydroxyl groups: (I) and (II), where: R, R1 are a lower alk...
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WO/1993/002639A1 |
Injectable collagen-based compositions can be used to fill a lens capsular sac, following lens extraction procedures, to form a new intraocular lens. Purified soluble or partially fibrillar collagen may be modified with acylating agents,...
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WO/1993/001241A1 |
The use of unpigmented flat fish skin as a novel industrial source of collagen is described. In particular, the unpigmented skin used is the ventral skin, preferably of sole, dab, turbot and brill. Advantageously, native acid-soluble col...
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WO/1992/019115A1 |
Collagen bead prepared from an aqueous solution of solubilized collagen and an aqueous solution of tannin. A collagen bead having uniform grain diameters and a bilayer structure wherein the aqueous collagen solution is held inside and th...
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WO/1992/016540A1 |
The proposed product comprises no less than 5 % by weight of water-soluble but alcohol-insoluble fraction which is based on fragments of oxidative-hydrolytic break-down of humic acids and which has a molecular mass of 150-650 Daltons and...
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WO/1992/013849A1 |
Filtrates from the bleaching and delignification of the pulp are recycled for reuse in pulping, separation, and recovery of lignin (66) and other by-products which results in significant energy savings and mitigation if not the eliminati...
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WO/1992/013025A1 |
Collagen-based compositions as adhesives and sealants for medical use and preparation thereof are described. Prior to polymerization, soluble or partially fibrillar collagen monomers in solution are chemically modified with an acylating ...
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WO/1991/020014A1 |
Hydrophilic organic colloids such as collagen or gelatin are modified for use in photographic elements such as film or paper, or for use as reagents in automated dry chemical analyzers. The modification comprises reaction of some of the ...
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WO/1991/001989A1 |
Method for extracting tannins from bark and multi-stage apparatus suitable therefor. The method includes the steps of: contacting bark containing tannins with a first tannin enriched aqueous wash medium at elevated temperatures; separati...
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WO/1991/001341A1 |
A method and apparatus for producing water-soluble resin and a resin product made by that method, the method including the steps of supplying a volume of an acidic pyrolysis oil, raising the pH of the oil above 7.0 to partially polymeriz...
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WO/1990/013304A1 |
The invention relates to a proanthocyanidol-based composition, notably of vegetable origin, characterized by a weight ratio of at least 50 % in molecules having an apparent molecule weight greater than 2000, said proportion being made up...
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WO/1990/013309A1 |
This invention relates to an essentially stroma-free hemoglobin composition having a desirable combination of properties for use as a universally applicable blood plasma expander etc., such as a desirable oxygen affinity value, a desirab...
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WO/1990/012055A2 |
The invention concerns a process for cross-linking of collagen of the type which comprises the formation of amide links through the intermediary of acylazide groups and is characterizsed by the fact that the collagen is made to react wit...
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WO/1990/010671A1 |
Formed articles comprising destructurized starch, an ethylene-acrylic acid copolymer and a product of the interaction of starch and ethylene-acrylic acid copolymer wherein the starch not bound to the copolymer is in the form of particles...
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WO/1990/010018A1 |
A matrix for implantation in a mammalian host comprising biocompatible, mineral-free, insoluble Type-I bone collagen which may be allogenic or xenogenic to the host, and which, when implanted in the host, is biodegradable. The collagen i...
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WO/1990/007541A1 |
An intermediate compound thermosettable to an insoluble resin, useful for binding agglomerated particulate matter such as pelletized coal fines, is prepared by ammoniating an aqueous dispersion of a glucose-containing reducing sugar and ...
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WO/1990/006964A1 |
The invention relates to a lignin preparation prepared from black liquor derived from an alkali delignification process, such as the sulphate process, soda process or polysulphide process. The lignin preparation comprises mainly lignin a...
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WO/1990/005755A1 |
Collagen, particularly atelopeptide collagen, exhibits improved handling charateristics when chemically conjugated and/or crosslinked with a synthetic hydrophilic polymer.
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WO/1990/001487A1 |
A dibenzocyclooctadiene type lignan can be effectively obtained by extracting a plant containing the same with a solvent having a low polarity, subjecting the extract to partition extraction at least once using a water-insoluble solvent ...
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WO/1990/000609A1 |
Novel polypeptide compositions and methods for their use are provided comprising fusion proteins capable of binding to a polysaccharide matrix. The compositions may be synthesized or prepared by recombinant DNA technology.
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WO/1989/006546A1 |
A biologically active CSF-1 protein is selectively conjugated via certain amino acid residues or carbohydrate moieties to a water-soluble polymer selected from polyethylene glycol or polypropylene glycol homopolymers, polyoxyethylated po...
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WO/1989/005305A1 |
New polymer supports containing cleavable cross-links are described which are suitable for solid phase peptide synthesis and can then be solubilised for further chemical or biological manipulation (including immunisation) in solution.
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WO/1989/004339A1 |
A fibroin molding is obtained by treating fibroin with a crosslinking or coupling agent such as carbodiimide or glutaraldehyde. This molding can be formed into any desired form such as cast film, regenerated fibers, permeable membrane, c...
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WO/1989/001501A1 |
Moulded objects made from collagen and collagen breakdown products, with the exception of gelatine capsules with controlled release of active ingredients, contain 0.001 to 10 wt. %, preferably 0.001 to 2 wt. %, of physiologically and tox...
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WO/1988/009152A1 |
Pharmaceuticals and apparatus used in combination for diagnosis and tissue necrosis applicable to provide effective and selective therapy using the Mossbauer absorption phenomenon. Selected pharmaceutical compounds containing a radiation...
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WO/1988/009346A1 |
There is described a water soluble compound having a molecular weight of from about 70,000 to about 2,000,000 and having the formula (I): B-X-(PS)-X-(H), in which PS is a polysaccharide of molecular weight from about 2,000 to about 2,000...
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WO/1988/007381A1 |
Blend polymers are prepared by suspending at least one protein-containing material and at least one polysaccharide-containing material in at least one solvent, by heating the suspension up to 50°C until at least 50 % of the available am...
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WO/1988/005783A1 |
Novel peptide sequences useful for vaccinating cats against feline leukemia virus and humans against human retroviruses, for detecting the presence of a protein having an apparent molecular weight of about 35,000 daltons and a protein ha...
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WO/1988/002023A1 |
A recombinant ligninase enzyme is obtained by cloning a DNA sequence of P. chrysosporium encoding a ligninase apoprotein, expressing the recombinant apoprotein in suitable host cells and reconstituting the recombinant ligninase protein w...
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