Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 501 - 550 out of 4,059

Document Document Title
WO/1996/030194A1
A process for producing LCP films that have improved tear resistance, improved balance of physical properties, and relatively wrinkle-free surfaces. An annular co-extrusion die (2) is used to line the LCP (11) with one or more surface la...  
WO/1996/020673A1
The invention relates to a method and to apparatus for perforating a web of material (12) intended to form an outer casing sheet of absorbent articles. As the web (12) is advanced the web is first provided with a large number of mutually...  
WO/1996/020664A1
The present invention relates to a method of producing a web of material (6) having a generally flat upper surface and a pattern of perforated recesses (13; 14) which project downwardly from the flat upper surface. According to the inven...  
WO/1996/017723A1
An orientable in situ expandable layer (139) comprising: (a) a blend of incompatible, in situ-expandable thermoplastic particles and a thermosensitive matrix resin for the in situ-expandable thermoplastic particles which blend has the ca...  
WO/1996/013979A1
A process for the manufacture of a three-dimensional vapor permeable, liquid impermeable film material (10), the substantially liquid impervious film, and an apparatus for making the film are disclosed. Successive portions of a film mate...  
WO/1996/006889A1
A polymer blend comprises a polyketone and linear low density polyethylene (LLDPE). The blends are suitable for use with foodstuffs and liquid hydrocarbons.  
WO/1996/005045A1
Film of dielectric material, self-adhesive by virtue of an electrostatic force, which film contains gas blisters preferably of a flat shape. To achieve an adhesive quality of the film, the film is given a large internal unipolar charge, ...  
WO/1996/004122A1
A composition containing a thermoplastic elastomer and fine elastic particles is extruded in the shape of a sheet from an extruder, and this sheet type material is extended, whereby a skin material having minute recesses and projections,...  
WO/1996/000149A1
The present invention provides a multi-layer heat sealable film which is produced by coextrusion and compression rolled orientation. The film comprises at least one barrier layer (B) of a moisture and/or gas resistant thermoplastic mater...  
WO/1995/033787A1
A thermoplastic resin film excellent in slipperiness, wear resistance and transparency. The film contains 0.005-20 wt.% of specified fine particles of a composite oxide comprising silica and at least one inorganic oxide other than silica...  
WO/1995/031737A1
The invention is directed to improving an optical property of a glare-proof film used for surfaces of various displays in word processors, computers, televisions, dashboards for automobiles, and the like, and making screen surfaces easie...  
WO/1995/030523A2
This invention relates to water dispersible polymeric films, to processes for the film preparation and materials for use in forming the water dispersible polymeric films.  
WO/1995/028438A1
A copolyester film which has a degree of plane orientation of from 0.04 to 0.15 and wherein the copolyester has a reduced viscosity of from 0.8 to 1.6 dl/g and comprises a dicarboxylic acid component based on terephthalic acid and a diol...  
WO/1995/025984A1
A biopolymer film and other materials that exhibit nonlinear optical (NLO) properties and a method for making this film. Alignment of biopolymer molecules, which is required for NLO phenomena, is achieved by application of an electric fi...  
WO/1995/021057A1
A polymeric sheet (11) comprising a first layer of polymeric material having first (12) and second (13) parrallel surfaces, a plurality of multilayer interference thin film flakes (16) disposed in the first layer of polymeric material, s...  
WO/1995/014566A1
This invention relates to a slip-resistant, flexible polyolefin thin film (132) having first (134) and second opposed (136), generally planar surfaces, the film comprised of vulcanized comminuted rubber particles of between 20 to 30 mesh...  
WO/1995/013188A1
A readily bondable polyester film excellent in antistatic performance, slipperiness, bondability, blocking resistance, water solubility, solvent resistance, chipping resistance, and so forth, and suitable as magnetic recording material, ...  
WO/1995/005936A1
A method for the formation of a tube from thermoplastic packaging film on a tube-forming apparatus is disclosed. The method comprises feeding the thermoplastic film to tube-forming apparatus and heat sealing the thermoplastic film into t...  
WO/1995/004102A1
A perforated collagen film is utilised for wrapping meat and poultry food products. The film comprises a series of perforations for allowing the escape of trapped air or steam from within the wrapped product, the pattern and the spacing ...  
WO/1995/002630A1
The disclosure concerns certain classes of non-polar hydrocarbon polymers, their production and use. The polymers of the invention are well suited for use in producing films having unique combinations of properties, especially low water ...  
WO/1995/001390A1
The invention concerns sheeting made from ethylene and propylene polymers optionally also containing processing aids, fillers, pigments or other additives. The sheeting is characterized in that it contains (a) a propylene homopolymer wit...  
WO/1995/001250A1
A process for extruding a thermoplastic composition at higher drawdown rates with less neck-in and greater resistance to draw resonance as well as processes for extrusion coating a substrate and for making an extrusion-cast film are disc...  
WO/1995/000333A1
Copolymers of ethylene and alpha olefins that have been formed by a polymerization reaction in the presence of a single site catalyst, such as a metallocene, are used as a film or as a layer in multiple layer films, including molecularly...  
WO/1994/029384A1
A copolymer blend comprising vinylidene chloride-vinyl chloride copolymer, vinylidene chloride-methyl acrylate copolymer or a mixture thereof, from 2 to 20% by weight of CO-modified ethylene vinyl acetate copolymer or CO-modified ethylen...  
WO/1994/024196A1
The present invention is directed toward a water vapor responsive self sealing thin film which is formed from a blend of at least about 75 weight percent of a water dispersible polymer; from about 0.5 to about 5 weight percent of a xerog...  
WO/1994/018263A1
Disclosed are (1) a thermoplastic elastomeric film comprised of an elastomeric arene-diene block copolymer and particular ethylene/alpha-olefin copolymers having low ethylene crystallinity and (2) the process of preparing films thereof. ...  
WO/1994/015773A1
Articles (other than fiber) made from polybenzazole dopes are quickly washed to remove polyphosphoric acid by a combination of initially washing with an acidic liquid and second washing with a hot leaching fluid at least 60 �C. The pro...  
WO/1994/016001A1
Films made from polybenzazole dopes can quickly be leached to remove polyphosphoric acid and other residual solvents by passing a leaching fluid such as steam through pores in the wet, never-dried film. The process can reach acceptable r...  
WO/1994/015997A1
Films prepared from aqueous dispersions of block copolymers, optional diluents and surfactants corresponding to the formula: A-B-Xm-(B-A)n wherein each A is a polymer block of a monovinylidene aromatic monomer and, optionally, a conjugat...  
WO/1994/014602A1
A thin polypropylene sheet (10) is extruded flat, with a thickness in the range of .008 to .050 inches with a Rockwell hardness in excess of 72 and a flexural modulus in excess of 55,000 psi. The resultant surface may be utilized for cut...  
WO/1994/013483A1
The present invention provides an improved substrate film for magnetic tapes. The base film is a biaxially oriented PENBB film, i.e. a biaxially oriented copolyester film containing the structural unit (I) (bibenzoate, BB). Such particle...  
WO/1994/013484A1
The instant invention concerns a biaxially oriented PENBB film comprising at least one layer which essentially consists of PENBB and inert particles, which film has at least one surface with protrusions formed by the existence of the ine...  
WO/1994/013486A1
Disclosed herein is a copolyester composition comprising PENBB and 0.001 to 5 % by weight of fine particles having an average diameter of 0.01 to 3.0 mum. Further disclosed are films made from this copolyester composition. PENBB as discl...  
WO/1994/013481A1
The invention concerns a primer coated, biaxially oriented self-supporting mono- or multilayer copolyester film, wherein the copolyester is PENBB and wherein the primer coating contains a vinyl acetate copolymer. PENBB is a copolyester c...  
WO/1994/013485A1
Disclosed herein is a biaxially oriented copolyester film containing inert particles, wherein the copolyester is PENBB and wherein the inert particles are either generated in situ, added to the monomers before or during polycondensation ...  
WO/1994/013480A1
The invention deals with a coated biaxially oriented mono-or multilayered copolyester film, wherein at least one layer is composed of PENBB and wherein the coating contains a thermoplastic polymer.  
WO/1994/013482A1
The present invention comprises a two-layer biaxially oriented copolyester film useful for capacitor dielectrics. Such films have good winding characteristics, slipperiness, good mechanical properties, and excellent thermal stability. Th...  
WO/1994/013464A1
The present invention comprises a biaxially oriented copolyester film useful for capacitor dielectrics or thermal transfer printing ribbons. Such films have good winding characteristics, slipperiness, good mechanical properties (stiffnes...  
WO/1994/011420A1
In order to obtain a film having a practical strength and a high tearableness using a general-purpose thermoplastic resin, not less than two kinds of thermoplastic resins having different repeating units, such as a styrene polymer and an...  
WO/1994/008787A1
A protective film is placed on acrylic sheet. The film has a polyethylene side and an adherent EVA side; it will survive stressful lamination procedures as well as thermoforming, and can be easily removed from a finished article after th...  
WO/1994/004112A1
An elastic, three-dimensional, fluid pervious, polymeric web (80) is provided for use as a topsheet on an absorbent article. The web has a plurality of beam-like elements (81) connected to one another forming apertures (82) in the web. A...  
WO/1994/000787A1
A self-supporting adhesive sheeting material useful in making blanks for laminated windows comprises a continuous web (10) which has a uniform thickness profile (A, B) across at least 20 % of its area extending from each edge of the web ...  
WO/1993/023460A1
A process for coagulating a polybenzazole film which includes contacting a lyotropic polybenzazole dope film that is constrained in at least two directions with a coagulant under conditions such that the polybenzazole polymer separates a...  
WO/1993/020953A1
A process for producing thin film of a first addition polymer on a substrate comprising bombarding a target, consisting essentially of a second addition polymer, with radiation from a pulsed laser in a vacuum or gas atmosphere to form a ...  
WO/1993/019714A1
A polymeric multilayer film (120) having a high percentage of fillers (126) to increase the opacity of the film is disclosed. The fillers are concentrated in a separate filler-containing layer (124) having about 20 to about 60 weight per...  
WO/1993/017069A1
An isotropic, biaxially stretched polyimide film prepared by casting a solution of a polyamic acid precursor in an organic solvent containing a cyclization catalyst and dehydrating agent onto the surface of a support, imidizing the polya...  
WO/1993/014928A1
A cross laminate of two films, each of which is uniaxially or unbalanced biaxially oriented, the films being arranged so that the major axes of orientation criss-cross each other (steps 1 to 3), is treated in a calendering process in whi...  
WO/1993/012924A1
A film combination comprising a) an oriented polymeric substrate which either i) comprises an intimate blend of polypropylene with maleic acid anhydride modified polypropylen or ii) is otherwise susceptible of transmitting oxygen and wat...  
WO/1993/006796A2
A stress-softened thermoplastic elastomeric (TPE) film (100) which has been subjected to tensional deformation comprising at least uniaxial strain, and having improved textural and thermal transmissivity characteristics, as compared to a...  
WO/1993/006191A1
The present invention provides methods of preparing thermotropic and lyotropic liquid crystalline polymer film-based and tubular components having a controlled CTE and components produced by such methods.  

Matches 501 - 550 out of 4,059