Matches 101 - 150 out of 251 < 1 2 3 4 5 6 >
Match Document Document Title
4465533 Method for making polymer bonded electrodes  
A method for making polymer bonded electrode (PBE) structures wherein the particulate and particles of perfluorocarbon copolymer are combined with a solvent for the copolymer at a temperature where...
4420514 Polymer film treatment with organic impregnant  
Acrylonitrile polymer film is treated with non-volatile water-miscible glycol plasticizer to improve toughness and other film properties. In a unique, continuous, steady state process...
4419322 Method for dilating plastics using volatile swelling agents  
A novel method for dilating cold shrink articles such as insulating tubing is disclosed. The method makes use of a two phase bath comprising two immiscible liquids in which the lower phase is a...
4376667 Method of increasing the wear resistance of an elastomeric body  
A method of increasing the wear resistance of a vulcanized elastomeric body having a surface region exposed to load, for instance a tire, cone or V-belt, conveyor belt, hose, resilient element,...
4362680 Process for production of molded articles of acetylene polymer  
A process for producing a molded article of a high polymer of acetylene, which comprises press-forming a gel-like material or swollen material composed of 5 to 95% by weight of a high polymer of...
4357295 Process for eliminating haze from articles made of cellulose acetate butyrate  
Removal of haze from plastic articles made of cellulose acetate butyrate, such as light polarizing sunglass lenses made of cellulose acetate butyrate and polyvinyl alcohol, is accomplished by...
4350496 Measuring the aromatic reactivity of a hydrocarbon composition  
The relative aromatic activity of hydrocarbon compositions is determined by measuring and comparing the ability of the hydrocarbon compositions to be sorbed by a polymeric rubber matrix. The...
4346209 Solvent resistant halogenated aromatic polyester fibers and process therefor  
Solvent resistant halogenated aromatic polyester fibers are prepared by first heat treating the fibers at substantially constant length at a temperature of from about 270° to about 295° C. for a...
4327044 Method of improving outer portion of a textile fiber processing component  
A method of improving the outer portion of a rotatable textile fiber processing component is provided, the method comprising the steps of making the outer portion substantially of butadiene...
4320210 Ethylene polymer fibrils  
Improved ethylene polymer fibrils are provided which are characterized in having: (a) a melt temperature of at least about 137° C., (b) a molecular weight of at least 250,000, (c) at...
4298697 Method of making sheet or shaped cation exchange membrane  
Normally solid copolymers of a fluorinated vinyl monomer and a perfluorinated vinyl compound having a carboxyl and/or sulfonyl group attached directly to the perfluorinated vinyl group or...
4265926 Method of treating gelatin capsules and product resulting therefrom  
A method for treating gelatin capsules so that the end product resulting therefrom may be insertable through a body orifice for application of a measured dose of medicinal material to an area to be...
4263187 Shaped articles of polypyrrolidone and method of preparation thereof  
A method of preparing shaped polypyrrolidone articles having a high degree of tensile strength comprising forming said articles from solutions of polypyrrolidone in hydrous formic acid and drawing...
4260577 Process for producing rubber hydrochloride sheet  
An improved process for the production of rubber hydrochloride sheet is described in which a rubber sheet is advanced through a reaction zone essentially in one direction while totally immersed in...
4252855 Surface-modified cellulose acetate filaments and a process for producing the same  
Surface-modified cellulose acetate filaments having a microporous structure located in the peripheral surface layer thereof are prepared by bringing non-modified cellulose acetate filaments which...
4242298 Polysaccharide ester membrane clearing process  
A method of clearing a polysaccharide ester membrane employing a clearing solvent comprising a first moiety selected from a group consisting of alcohols, ketones, ethers, esters, and mixtures...
4224736 Process for sealing electrochemical cells  
A process for improving leakage resistant in a galvanic cell is provided. This is done by making an improved grommet and metal cover. The process comprises swelling a grommet which has been placed...
4213932 Apparatus and method of molding a biconical socket  
An apparatus and method of molding a biconical socket (FIG. 1) of precise concentricity and length. The biconical socket is formed by a two piece mandrel assembly (20, 21), each mandrel member...
4208362 Shaped body of at least two polymerized materials and method to make same  
A shaped body is manufactured from at least two polymerized materials with one polymerized material being swellable relative to the other polymerized material. The shaped body is formed having...
4190623 Radiation treatment of high-polymer textile materials  
Two basic methods for texturizing or structurizing high-polymer materials are disclosed. One method resides in selectively irradiating a high-polymer material so as to form chemically active...
4176816 Process for improving impact resistance of rigid nylon articles and the articles produced therefrom  
Rigid nylon articles are provided with a chamber therewithin and water is sealed within the chamber. The water is in continuous contact with the nylon and is absorbed by the nylon over a long...
4174368 Curved sausage casings  
A method of producing a curved sausage casing by treating a sausage casing before curving with caustic solution and neutralizing the casing while in the curved configuration.
4143103 Method of making a twisting ball panel display  
A method of making a display characterized by a plurality of particles which have an electrical anisotropy due to hemispherical surface coatings of different Zeta potential and their distribution...
4126660 Process for the manufacture of oriented sheets of thermoplastic resin which are protected against the action of ultraviolet rays  
Process for the manufacture of oriented sheets of thermoplastic resin which are protected against the action of ultraviolet rays by applying, to at least one of the faces of the sheet, a solution...
4112151 Impregnating porous articles  
This invention relates to a method of forming pressure expressible composition impregnated, microporous resilient articles. In the process of the invention, a microporous article formed from a...
4100246 Method of forming a gastrointestinal tube  
In accordance with a preferred embodiment of this invention, there is provided a new and improved method of forming a four-lumen gastrointestinal tube. This tube may be characterized as having two...
4096230 Method of fabricating a moisture-expandable prosthesis  
A hollow-cylindrical tube of dehydrated, regenerated cellulose sponge material is tightly compressed to provide an elongate member of minimal diameter having sufficient rigidity to be inserted...
4088728 Method for imparting gauge variations to improve roll formation in regenerated cellulose film  
Improved roll formation in regenerated cellulose film is obtained by a method for introducing randomized gauge variations in the film on the casting machine by varying the water content in the gel...
4073833 Encapsulation process  
An improved process for releasably enclosing a solution of a micelle-forming surfactant in a receptacle comprising a microporous cellulose membrane is provided.
4066488 Process for the joining (bonding) of lines (strips)  
A process is disclosed for the joining of lines of acetalyzed polyvinyl alcohol foam with each other or with textile fabrics. The process is characterized by the fact that the parts of the lines to...
4060581 Method of making a composite burial vault  
A composite burial vault is provided having a hollow liner constructed of a synthetic plastic resinous material which is filled with concrete. In constructing the burial vault, the liner is...
4060650 Method for preventing or eliminating water-absorption whitening of a molded article containing an acrylonitrile polymer or copolymer  
A method for preventing or eliminating water-absorption whitening of a molded article containing an acrylonitrile polymer or copolymer which comprises immersing the molded article into an aqueous...
4054624 Preparing a hydrated contact lens  
A contact lens composition, having improved dimensional stability, suitable for use in the preparation of a corrective hydrated lens or an eye bandage, comprises polymerized random graft copolymers...
4053442 Method for manufacturing shaped articles from multi-block copolymers  
The invention relates to a new method for manufacturing shaped articles from multi-block copolymers of acrylonitrile with acrylamide and/or acrylic acid, using hot pressure molding, preferably in...
4042652 Method for the production of silicone elastomer-containing articles  
A method is disclosed which involves the production of shaped silicone elastomer-containing articles. In making an article of this type, a silicone elastomer-containing mass is formed to the...
4026985 Shirred tubular food casings having a barrier coating  
There is provided a novel shirred and compressed tubular food casing, including a casing having a fibrous web embedded in the wall thereof, having a continuous barrier coating adhered to the...
4008304 Process for producing cured phenolic filaments having improved drawability  
A process for producing cured phenolic filaments having improved drawability which comprises contacting cured phenolic filaments with a liquid or vapor having a concentration of at least 25 % by...
3991035 Process for modifying glycol terephthalate polyesters to contain CH.sub.2 - - .sub.2 --N linkages  
Glycol terephthalate polyesters are modified to contain CH 2 --S or CH 2 --N linkages in molecular chains of the polyester, staple fibers of good strength are prepared from the modified...
3988408 Stabilization of printed circuit board core laminates  
A process for stabilizing printed circuit board substrate or laminate through application of a number of laminate conditioning and baking cycles which function to provide the laminates with...
3984512 Process for threading collagen casing through a dryer  
This invention relates to an improvement in a process for threading an edible collagen casing through an elongated dryer wherein the casing is inflated with a gas, sealed at an end for maintaining...
3968198 Method for improving the adhering ability of vulcanized rubber surfaces  
A method for improving the adhering ability of a vulcanized rubber surface by treating said surface with a solution of iodine isocyanate or a mixed solution of iodine isocyanate and iodine to...
3957936 High temperature process for modifying thermoplastic filamentous material  
Filaments having a substantially increased inner surface, in particular porous filaments of filaments having a cracked, notched or nicked surface of thermoplsatic material are produced by...
3957941 Process for preparing shaped article  
A process for preparing a shaped article made of hydrolyzed ethylene-vinyl acetate copolymer having an improved impact resistance by conditioning the shaped article to contain water within the...
3953562 Process for the elimination of dimensional changes in ceramic green sheets  
Ceramic substrates used in the fabrication of electrical components are generally formed by casting a composition comprising ceramic, binder, solvent and optional wetting agent onto a support,...
3936584 Formation of polyparabanic acid coatings and films by solvent treatment of powdered layer  
This invention relates to processes and techniques for forming either coatings or self-supporting films from polymeric powders which melt at high temperatures (>150° C.) and cannot be made to...
3933959 Preparation of dunnage material  
Generally linear foamable strandular particles which are asymmetrical about a plane generally containing the longitudinal axis provide a desired curled dunnage material when heated to cause...
3929946 Process for producing hygroscopic acrylic fibers  
Hygroscopic acrylic fibers having high moisture regain and excellent sweat absorbing property together with the excellent characteristics of the acrylic fibers are disclosed. The fibers contain...
3928528 Process for producing acrylic fibers having excellent pilling resistance  
Acrylic fibers having excellent pilling resistance are disclosed. The acrylic fibers have a plurality of elongated wedge shaped concave depressions extending into the fiber surface. The acrylic...
3928099 Process of producing pressure sensitive recording sheets  
A process for making a self-contained pressure-sensitive recording sheet. A colored thermoplastic resin substrate having adhered thereto a styrene polymer layer having dispersed therein fine...
3920785 Process for increasing the porosity of opencelled microporous film  
Certain open-celled microporous films are treated to give products having increased porosity. The process involves contacting the open-celled film with a liquid organic compound such as...
Matches 101 - 150 out of 251 < 1 2 3 4 5 6 >