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Patent Searching and Data


Matches 301 - 350 out of 5,182

Document Document Title
WO/2002/030991A1
A method of forming a polymer having reactive functionality comprises providing a reaction mixture comprising at least one monomer having at least one reactive functional group and carbon dioxide; and polymerizing the at least one monome...  
WO/2002/031025A2
Poly($g(b) amino esters)prepared from the conjugate addition of bis(secondary amines) or primary amines to a bis (acylate ester) are described. Methods of preparing these polymers from commercially available starting materials are also p...  
WO/2002/031541A2
An improved optical film having a continuous/disperse phase morphology and a method for making the same is provided. At least one of the continuous and disperse phases comprises a blend of homopolymers which are inter-reacted, as by tran...  
WO2001077197A3
The present invention relates to new hydrogels with improved mechanical properties and methods of their preparation. The hydrogels are formed from hydrophilic polymers having function hydroxyl groups and have low elasticity modulus typic...  
WO/2002/018470A2
The invention relates to a polymer granulate from a polycondensation unit. Said granulate is at least partially crystallised and brought into direct contact with a nitrogen-containing treatment gas in a postcondensation. Compared to the ...  
WO/2002/016481A1
A flexible polymer element for a curable composition wherein the flexible polymer element is in solid phase and adapted to undergo at least partial phase transition to fluid phase on contact with a component of the curable composition in...  
WO/2002/016491A2
A vulcanizate comprising a rubber, and a damping component that is prepared by preparing a mixture of living polymers that include living polymers with at least two living ends and living polymers with one living end to form a mixture of...  
WO/2002/012363A1
The invention relates to graft polymers or copolymers of structure type (I), wherein (B¿a?) to (B¿b?) mean identical or different base polymer chains, optionally with free valencies for forming a cross-linked structure; Z¿x? to Z¿z? ...  
WO/2002/012251A1
The invention relates to indicator molecules for detecting the presence or concentration of an analyte in a medium, such as a liquid, and to methods for achieving such detection. More particularly, the invention relates to copolymer macr...  
WO/2002/010758A2
The invention relates to polyfunctional polymer networks comprising an assembly of cross-linked poylmer subchains attached to a surface, with each polymer subchain comprising a multitude of identical or different repeating units carrying...  
WO/2002/010129A2
The invention relates to low-molecular or polymeric organic materials wherein at least one H atom is replaced by a group of the formula (A), wherein R is a straight-chain, branched or cyclic alkyl, alkoxyalkyl, alkoxy or thioalkoxy group...  
WO/2002/008301A2
The invention relates to a modified polymeric shaped body that is producible by reacting diaminoguanidine and/or triaminoguanidine with a polymeric shaped starting body that carries groups R-X, wherein R is an alkylene group having 1 to ...  
WO/2002/008296A2
The invention relates to a binding agent containing at least one graft polymer which comprises at least two alkoxy silyl groups of general formula (I) wherein R¿1? represents a linear or branched alkyl radical comprising 1 to 6 C atoms,...  
WO/2002/006265A1
The invention relates to chiral compounds of formula (I) wherein Y?1¿, Y?2¿, Y?3¿, Y?4¿, X?1¿, X?2¿, X?3¿ and X?4¿ have the meaning given in claim 1, to liquid crystalline mixtures comprising at least one chiral compound of formu...  
WO/2002/006366A1
A low dielectric constant material has a polymeric network that is fabricated from a first and a second component. The first component comprises a polymeric strand, and the second component comprises a molecule having a central portion w...  
WO2001070857A3
An ion-exchange material, for example a polymer electrolyte membrane or gas diffusion electrode comprises a semi-crystalline copolymer comprising: a first unit which includes an ion-exchange site; a second crystalline unit; and a third u...  
WO/2001/096459A1
The invention relates to the use of organophilic, swellable specially modified phyllosilicates in the production of nano-reinforced thermoplastic polymers, preferably polyamides, polyesters and polycarbonates. The inorganic phyllosilicat...  
WO/2001/096854A2
The properties of a resinous material product are controlled in a manufacturing system by online process parameter monitoring and control. The online monitoring and control incorporates an in situ measurement system that can monitor prod...  
WO/2001/094427A1
Disclosed are sulfonated aromatic perfluorocyclobutane polymers meeting a condition selected from: a) the equivalent weight of the polymer is 5000 or less, and b) the proton conductivity of the polymer at 25 °C is 0.01 Siemens per centi...  
WO/2001/092377A1
Disclosed are electrically conductive microgel and preparation thereof. The electrically conductive microgel is prepared by adding 3 to 30 weight % of a monomer for synthesizing electrically conductive polymer and 1 to 20 weight % of a d...  
WO/2001/091897A1
This invention relates to a process for the continuous preparation of moderate to high viscosity reaction products requiring moderate to long reaction times (e.g. a polymer(s) including prepolymer(s)), specifically relates to the continu...  
WO/2001/087992A2
The present invention relates to ionically and covalently cross-linked polymers and polymer membranes having recurrent units of the general formula (1), wherein Q is a link, oxygen, sulfur, (2) or (3) and the R radical is a divalent radi...  
WO/2001/083588A1
Soluble polymer resins are separated from a solution slurry with the use of a precipitation aid where the slurry contains the polymer resin in both a soluble form and a solid particulate phase. The precipitation aid absorbs onto the surf...  
WO2000065521A3
A data structure, tangibly embodied in a computer-readable medium, representing a polymer of chemical units is disclosed. The data structure includes an identifier including a plurality of fields for storing values corresponding to prope...  
WO/2001/077188A1
The invention relates to a method and device for removing volatile components, especially solvents, monomers or oligomers, from polymer materials or polymer solutions by evaporating the volatile components from the pre-heated polymer mat...  
WO/2001/076845A1
The invention relates to methods of forming shaped articles from suspensions which include ceramic or metallic powder, or from solutions or suspensions which include one or more pharmaceutical substances or other components. The method c...  
WO/2001/077197A2
The present invention relates to new hydrogels with improved mechanical properties and methods of their preparation. The hydrogels are formed from hydrophilic polymers having function hydroxyl groups and have low elasticity modulus typic...  
WO/2001/070857A2
An ion-exchange material, for example a polymer electrolyte membrane or gas diffusion electrode comprises a semi-crystalline copolymer comprising: a first unit which includes an ion-exchange site; a second crystalline unit; and a third u...  
WO/2001/066633A1
The invention relates to a process for preparing a high-molecular polymer by contacting in a melt a difunctional lowermolecular polymer whose functional end groups are -OH or -NH¿2? groups with carbonylbislactamate, characterized in t...  
WO2000002987A3  
WO/2001/057047A1
A zwitterion containing an adduct having the formula (I) wherein Z is a zwitterionic group; X is an electron withdrawing group selected from the group consisting of carbonyl and sulphone groups, sulphonium and phosphonium salts; R is a d...  
WO2000062813A3
The present invention provides cationic-polymer-lipid conjugates (CPLs) such as distal cationic-poly(ethylene glycol)-lipid conjugates which can be incorporated into conventional and stealth liposomes or other lipid-based formulation for...  
WO/2001/055235A1
To facilitate preparation of a molecularly imprinted polymer (MIP) which specifically binds a particular template substance, a virtual library of functional monomers is screened to find those that interact strongly with a molecular model...  
WO/2001/046291A1
The invention provides a sterically hindered polymer that comprises a water-soluble and non-peptidic polymer backbone having at least one terminus covalently bonded to an alkanoic acid or alkanoic acid derivative, wherein the carbon adja...  
WO/2001/044873A1
A visible light photopolymerizable composition comprising a) an aryliodonium salt and b) an acylphosphine oxide compound. These compositions can be used together with an opoxide resin as a dental composition.  
WO2000052082A3
In a first aspect, the invention provides a diol latex composition comprising: (a) latex polymer particles comprising a residue of an ethylenically unsaturated monomer, wherein the latex polymer particles have a size below 1000 nm; (b) a...  
WO/2001/032760A1
A porous, molecularly imprinted polymer and a process for its preparation are described. The porous, molecularly imprinted polymer is characterised in that it is obtainable by providing a porous silica; attaching a molecular template to ...  
WO/2001/030856A1
A polymer (e.g. a peptide) is produced by polymerising monomers in the presence of a template, particularly a biologically active molecule or sample. The polymer is extracted and a soluble (preferably water-soluble) fraction is derived w...  
WO/2001/023439A1
The invention relates to resins, containing lateral and/or terminal carbamate groups. Said resins can be produced by reacting a resin which contains at least one hydroxyl group with phosgene to form a resin which contains at least one ch...  
WO/2001/019889A1
A method of producing a highly stable packaging substrate in which are provided a first precursor having a first backbone and a first ethynyl group, and a second precursor having a second backbone and a second ethynyl group. Furthermore ...  
WO/2001/019897A1
Selected polymeric stabilizers with pendant nitroxide, hydroxylamine or hydroxyammonium salt groups B are water soluble or water dispersible and have high affinity to pulp or paper. These stabilizers prevent the loss of brightness and en...  
WO/2001/018091A1
The invention relates to water-soluble and/or water-dispersible comb polymers that consist of a polymer main chain and sulfone-group containing polyester said chains that are linked with said polymer main chain via ester groups.  
WO/2001/017501A1
The present invention relates to enzyme inhibiting polymer conjugates, preferably a polymer conjugate having formula (I): wherein R is a unit which acts to attenuate the interaction of the saccharin inhibitor component with a target enzy...  
WO/2001/007487A1
The invention relates to a method for performing polyreactions in non-aqueous miniemulsions.  
WO/2000/078846A1
Degradable cross-linkers which are used to form polymer networks which degrade under aqueous conditions are described. These cross-linkers comprise a monodispersed central polyacid, monodispersed monomeric or monodispersed oligomeric deg...  
WO/2000/076656A1
The properties of a resinous material product are controlled in a manufacturing system by on-line process parameter monitoring and control. The on-line monitoring and control incorporates an in-situ measurement system that can monitor an...  
WO/2000/076736A1
A process and apparatus for preparing compositions including one or more resinous materials and/or other ingredients using a continuous reactor (20) combined with a slurry vessel (10) for feeding a slurry feed stream (15) to the reactor....  
WO/2000/076737A1
A process and apparatus for preparing compositions from one or more resinous materials and other ingredients using continuous reactors (10) combined with continuous mixers (20). The process and apparatus prepares a composition by (a) rea...  
WO/2000/072331A1
The invention relates to a method of producing $g(p)-conjugated polymers which comprises the following steps: (1) complexing a monomeric compound with a cyclodextrin, and (2) polymerizing the complexed compound with a chemical oxidizing ...  
WO/2000/068300A1
The invention relates to a continuous method for preparing inorganic and organic bead polymers by using a static micromixer. The bead polymers obtained by the inventive method are provided with a very homogeneous grain-size distribution ...  

Matches 301 - 350 out of 5,182