| Patent Number |
Title Of Patent |
Date Issued |
| 4443315 |
Finger type electrolytic cell for the electrolysis of an aqueous alkali metal chloride solution |
April 17, 1984 |
| A finger type electrolytic cell providing a cation exchange membrane for electrolysing an aqueous alkali metal chloride solution is disclosed. The cell is comprised of a cell top cover whose surface is coated with a chlorine-resistant material containing no polymetallic ions, and further |
| 4436861 |
Polyvinyl chloride containing alkyl acrylate and alkyl methacrylate sequentially polymerized the |
March 13, 1984 |
| A particulate vinyl chloride polymer having excellent processability and heat stability which comprises porous vinyl chloride polymer particles and acrylic polymers which are included in the above porous particles. The particulate polymer is prepared by impregnating an alkyl acrylate in |
| 4435536 |
One-pack composition |
March 6, 1984 |
| A one-pack type of curable composition comprising a blend consisting essentially of a silyl group containing resin having a backbone substantially comprising a vinyl type polymer chain and containing at least one silicon atom attached to a hydrolyzable group at a terminal or in a sid |
| 4433097 |
Vinyl chloride resin talc-embedded composition and method of manufacturing same |
February 21, 1984 |
| Composition and method of manufacturing same, wherein a vinyl chloride resin has talc therein in direct contact with vinyl chloride based polymer particles without any intervening material therebetween. |
| 4433029 |
Expandable thermoplastic polymer beads with method of producing same |
February 21, 1984 |
| Expandable thermoplastic polymer beads and method of producing same, wherein a core of a polymer of one or more vinyl monomers is substantially surrounded by a layer of a polyolefin comprising one or more vinyl monomers, with a foaming agent contained in at least the core. |
| 4430450 |
Expandable thermoplastic polymer particles and process for producing the same |
February 7, 1984 |
| Disclosed are expandable thermoplastic polymer particles and process for preparing the same.Expandable thermoplastic polymer particles superior in processability as well as expansion are prepared by controlling an amount of inside moisture contained in said particles coated or impregnate |
| 4427824 |
Method for dispersing pigments |
January 24, 1984 |
| A method of dispersing color fillers, wherein one or more hydrolyzable ester compound is added prior to or concurrently with the dispersing of the color fillers in a silyl group containing compound, whereby there is an unexpected enhancement of the storage stability of the silyl group |
| 4426511 |
Heat-resisting aromatic polyester resin and process for preparing the same |
January 17, 1984 |
| A heat resisting aromatic polyester resin comprising (a) recurring units of the formula (I): ##STR1## wherein X is a bivalent group selected from the group consisting of an unsubstituted or substituted bivalent hydrocarbon group having 1 to 10 carbon atoms,--O--, --S--, --SO.sub. |
| 4424286 |
Expanded shaped article comprising a heat resistant synthetic resin |
January 3, 1984 |
| An expanded shaped article of a heat resistant synthetic resin comprising 20 to 100 weight percent tertiary butyl styrene and 80 to 0 weight percent other monomers polymerizable therewith, and containing volatile foaming agent, wherein expandable particles of said resin are pre-expanded |
| 4424143 |
Catalyst for oxychlorination of ethylene |
January 3, 1984 |
| A catalyst suitable for use in the preparation of 1,2-dichloroethane by oxychlorination of ethylene containing cupric chloride and, as a promotor, a combination of potassium chloride and cesium chloride, which can inhibit production of ethyl chloride by-product and has excellent selectiv |
| 4415708 |
Three stage graft polymerization process for preparing nitrile based resins |
November 15, 1983 |
| A nitrile based resin produced by graft polymerizing in the presence of a rubber, a first group of monomers in a first polymerization step, then a second group of monomers in a second polymerization step, and then a third group of monomers in a third polymerization step; wherein the resi |
| 4415680 |
Water-impermeable polyolefin foam and process for preparing the same |
November 15, 1983 |
| A substantially water-impermeable polyolefin foam made of expandable polyolefin beads. The polyolefin foam is prepared by a particular process in which after heating expandable polyolefin beads and before cooling the heated beads in a mold, the heated beads were allowed to stand in the |
| 4412057 |
Process for manufacturing aromatic polyesters |
October 25, 1983 |
| A process for manufacturing an aromatic polyester by reacting an aromatic dicarboxylic acid dichloride with an alkali metal salt of a bisphenol comprises adding 0.01 to 100 mol %, based on the total monomer quantity, of an acid halide into the reaction system. |
| 4410388 |
Production of metal clad laminates |
October 18, 1983 |
| Variations in performance of metal clad reinforced resin laminates may be minimized by aging the laminates in a high-temperature, high-humidity atmosphere subsequent to the curing step. The products are useful for the production of printed circuit wiring boards. |
| 4409350 |
Fire retardant acrylic fibers containing organo-tin-sulfur compound having high degree of glossi |
October 11, 1983 |
| Acrylic fibers having high fire retardancy, glossiness and transparency comprise a copolymer containing 30 to 70% by weight of acrylonitrile and 30 to 70% by weight of at least one halogen-containing monomer, and further contain 0.2 to 3.0% by weight of at least one organic tin compound |
| 4409074 |
Process for electrolysis of an aqueous alkali metal chloride solution |
October 11, 1983 |
| Disclosed is an electrolytic process of an aqueous alkali metal chloride solution using a cation exchange membrane as a separator of an electrolytic cell, which comprises effecting the electrolysis while utilizing impact resilience of springs positioned at anodes and exerting positiv |
| 4399261 |
Curable composition |
August 16, 1983 |
| A curable composition which comprises (A) a silyl group containing vinyl resin which has a main chain consisting essentially of vinyl polymer and has in one molecule at least one silicon atom connected to a hydrolyzable group on the terminal or side chain, (B) a tin compound, and (C) an |
| 4398987 |
Continuous production of electrical laminates |
August 16, 1983 |
| There is provided a method for continuous production of a laminated sheet product comprising transporting a plurality of continuous sheet component materials in vertically discrete relation, supplying an impregnating resin to each of the component materials, joining the resin-impregnated |
| 4395537 |
Polyether resin and method of manufacturing the same |
July 26, 1983 |
| A polyether of the general formula: ##STR1## in which Ar stands for a divalent organic group of the aromatic series, R stands for CH.sub.3, CH.sub.3 CH.sub.2, Cl or Br, and n is an integer of 0 to 4. It contains at least 1 mol % of unit `B`. A method of manufacturing such a polye |
| 4395321 |
Separator electrolytic cell |
July 26, 1983 |
| A separator electrolytic cell is disclosed which comprises a first electrode compartment surrounded with a releasable wall plate and a glove-shaped finger and a second electrode compartment surrounded with remaining cell walls, a cell top cover and the glove-shaped finger. A sheet-li |
| 4391944 |
Vinyl chloride copolymer and composition containing the same |
July 5, 1983 |
| A copolymer comprising (a) vinyl chloride or a mixture of vinyl chloride and a monomer copolymerizable therewith and (b) 1,2-polybutadiene oligomer and/or epoxidized 1,2-polybutadiene oligomer. The plasticized copolymer can be molded into soft moldings having a low compression set and hi |
| 4388129 |
Production of bubble-free electrical laminates |
June 14, 1983 |
| Bubble- or void-free electrical laminates such as unclad or metal clad laminates are produced by impregnating a porous fibrous substrate with a solvent-free liquid resin capable of curing to a rigid state without producing a volatile by-product, combining a plurality of impregnated s |
| 4387192 |
Heat resistant polyamide-imide resin from polycarboxylic acid-polyisocyanate modified with unsat |
June 7, 1983 |
| A heat resistant resin composition comprising a polyamide imide resin having carboxyl groups and modified with an N-methylolated methacryl- or acryl-amide compound and, when desired, further with a bismaleimide compound. The composition has improved properties over conventional polya |
| 4377663 |
Composition |
March 22, 1983 |
| A composition comprising a homogeneous blend of 95 to 5 parts by weight of an oxidation-curable type water-soluble resin and 5 to 95 parts by weight of a vinyl polymer obtained by polymerizing a vinyl monomer or monomers in the presence of a neutralized, water-soluble product of an adduc |
| 4372800 |
Continuous process for producing reinforced resin laminates |
February 8, 1983 |
| A continuous process for producing reinforced resin laminates comprising the steps of impregnating a fibrous substrate with a liquid resin which is free of volatile solvent and is capable of curing without generating liquid and gaseous byproducts, laminating a plurality of the resin- |
| 4371664 |
Vinyl resin composition containing silyl groups |
February 1, 1983 |
| A composition comprising 100 parts by weight of a vinyl resin, and 0.01 to 10 parts by weight of a curing catalyst. The vinyl resin has a backbone chain composed substantially of a vinyl polymer, includes in each molecule at least one silyl group of which silicon links to a hydrolyzable |
| 4370386 |
Reinforced unsaturated polyester resin laminate |
January 25, 1983 |
| An electrical laminate comprising layers of an unsaturated polyester resin-impregnated fibrous cellulosic substrate is disclosed. The substrate is preimpregnated with a mixture and/or a condensate of an aminoplast with a higher fatty derivative having at least one functional group capabl |
| 4370208 |
Electrolytic process of an aqueous alkali metal halide solution and electrolytic cell |
January 25, 1983 |
| An electrolytic process is provided for the electrolysis of an aqueous alkali metal halide solution, which comprises effecting the electrolysis in a cell being separated by a cation exchange membrane into an anode compartment and a cathode compartment, wherein washing liquid is supplied |
| 4370191 |
Electrical laminate |
January 25, 1983 |
| An electrical laminate comprising layers of a resin impregnated fibrous substrate is disclosed. The resin has a glass transition point from about 20.degree. C. to 80.degree. C. and comprises a cured product of a mixture of an unsaturated polyester polymer and a cross-linking monomer. The |
| 4368297 |
Paint containing a silyl group containing vinyl resin, and a method of manufacturing the same wi |
January 11, 1983 |
| A paint comprising a silyl group containing vinyl resin having a main chain comprising substantially vinyl polymer and copolymerized with maleic anhydride, wherein the resin has at least one silyl group bonded to a hydrolyzable group, and contains 0.1 to 20% by weight of the copolymerize |
| 4368284 |
Polyvinyl chloride composite material |
January 11, 1983 |
| A composite material comprising polyvinyl chloride, talc and a polyamide and/or amide compound is disclosed. The talc used is comprised of 85% or more by weight of particles having a diameter of 10 microns or less. The polyamide used has a softening point of less than 200.degree. C. The |
| 4368218 |
Method of making expandable thermoplastic polymer beads |
January 11, 1983 |
| Expandable thermoplastic polymer beads and method of producing same, wherein a core of a polymer of one or more vinyl monomers is substantially surrounded by a layer of a polyolefin comprising one or more vinyl monomers, with a foaming agent contained in at least the core. |
| 4366093 |
Cylindrical molded catalyst |
December 28, 1982 |
| A cylindrical molded catalyst suitable for use in fixed bed reaction having a particular size of 3 to 6 mm. in outer diameter of the circle, at least 1.0 mm. in inner diameter of the circle, at most 1.5 mm. in wall thickness and 3 to 6 mm. in height. The molded catalyst has small resista |
| 4363903 |
Vinyl chloride copolymer and composition containing the same |
December 14, 1982 |
| A copolymer comprising (a) vinyl chloride or a mixture of vinyl chloride and a monomer copolymerizable therewith and (b) 1,2-polybutadiene oligomer and/or epoxidized 1,2-polybutadiene oligomer. The plasticized copolymer can be molded into soft moldings having a low compression set and hi |
| 4362857 |
Method of producing polyether resins using phase transfer catalysts |
December 7, 1982 |
| A novel polyether resin having the repeating units of the formula: ##STR1## wherein Ar is a divalent aromatic group, and R.sup.1 and R.sup.2 are divalent aliphatic hydrocarbon groups having 1 to 4 carbon atoms, and method of producing same wherein alkylene dihalide and alkali metal s |
| 4362839 |
Modified polyalkylene terephthalate composition |
December 7, 1982 |
| A modified polyalkylene terephthalate composition comprising polyalkylene terephthalate and polyoxyalkylene compound having metal salt of organic carboxylic acid. The composition, which can be used as a molding material, has improved workability, high crystallizing rate and excellent mec |
| 4362826 |
Heat-resistant resin composition |
December 7, 1982 |
| A composition comprising a varnish of heat-resistant resin having active hydrogen in the molecule and a bismaleimide compound or derivative thereof admixed with the varnish affords a heat-resistant resin product of improved properties. Especially when a bismaleimide compound or derivativ |
| 4362760 |
Fibrous food material and process for preparing the same |
December 7, 1982 |
| A fibrous food material for use in meat-like products is provided.Also provided is a process for preparing the same, by other than a spinning process, which comprises intermixing a hydrous mixture of 3 to 10 parts of wheat protein and 0 to 7 parts of meat on the solid content ratio with a |
| 4351976 |
Method for purifying 1,2-dichloroethane |
September 28, 1982 |
| An improvement of a method for purifying 1,2-dichloroethane by passing through a distillation column a crude 1,2-dichloroethane produced by oxychlorination of ethylene with at least one of a crude 1,2-dichloroethane produced by direct chlorination of ethylene and a crude uncracked 1, |
| 4339334 |
Tubular membrane separation apparatus end joint seal |
July 13, 1982 |
| The invention provides a tubular membrane separation apparatus useful for ultrafiltration and reverse osmosis. A tubular separation element (1) is fitted in a porous pressure-resistant tube (2) which is inserted in a liquid collector tube (3) of larger diameter. The collector tube (3) is |
| 4336297 |
Electrical laminate |
June 22, 1982 |
| An electrical laminate comprising layers of a polyester resin-impregnated fibrous cellulosic substrate is disclosed. The substrate is preimpregnated with a nitrogen-containing composition having (a) an N-methylol or N-lower alkoxymethyl group attached to said nitrogen atom, and (b) an un |
| 4335233 |
Polyphenylene ether copolymers |
June 15, 1982 |
| A polyphenylene ether copolymer produced by oxidative coupling of 60 to 99.9 mole percent of a phenol with 0.1 to 40 mol percent of an aniline. The inventive copolymer has improved heat resistance, shock resistance, and tensile strength. When used by itself or in a mixture with other |
| 4334036 |
Process for producing curable vinyl polymer having silyl group |
June 8, 1982 |
| A curable vinyl polymer having at least one silyl group of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each a hydrogen or a monovalent hydrocarbon radical having 1 to 10 carbon atoms, X is a group selected from halogen, alkoxy, acryloxy, aminoxy, phenoxy, thioalkoxy and ami |
| 4329323 |
Process for removing ethylene and vinyl chloride from gas stream |
May 11, 1982 |
| A process for removing ethylene and vinyl chloride from a gas stream containing them by passing a mixed gas containing ethylene, vinyl chloride and a necessary amount of chlorine through a fixed-bed reactor charged with as a catalyst an activated alumina supporting at least 4% by weight |
| 4328838 |
Thick and tough cellophane for casings and method of preparing the same |
May 11, 1982 |
| Thick and tough cellophane for casings is provided wherein viscose is passed through an aqueous coagulation solution containing 15 to 30 weight percent of middle or higher alcohol and/or polyhydric alcohol, the coagulated viscose film being subjected to tension in its horizontal dire |
| 4322272 |
Curable composition |
March 30, 1982 |
| Compositions curable upon exposure to atmospheric moisture at room temperature comprising (a) organic polymer having at least one hydrolyzable silicon-containing group in the molecule and having a molecular weight from about 500 to 15,000 and (b) a photocurable substance. |
| 4320215 |
Polymerization of vinyl chloride with phenolic compounds |
March 16, 1982 |
| A method of preventing scale formation and adhesion onto the surfaces of a polymerization vessel and auxilliary equipment used in polymerization of vinyl chloride monomer, wherein the surfaces are coated prior to polymerization with a coating agent having the concurrent properties of |
| 4314002 |
Insulating laminates comprising alternating fiber reinforced resin layers and unreinforced resin |
February 2, 1982 |
| This invention relates to insulating laminates which consists with several sheets of reinforcements (1) inpregnated with curable resin and layers (2) of cured resin located between each reinforcement. Metal clad laminates is also disclosed which is consisting with reinforcement (1), laye |
| 4311761 |
Filament for wig |
January 19, 1982 |
| A synthetic fiber filament usable for the manufacture of wigs, comprising, in cross section, a center portion, and connected thereto and extending outwardly therefrom three substantially rectangular portions. The novel structure provides unexpectedly good and durable tight curls and bulk |
| 4298706 |
Foams prepared from polypropylene resin composition and process for producing same |
November 3, 1981 |
| Foams of polypropylene resin composition having remarkably improved extrusion foaming characteristics are prepared by a non-crosslinking extrusion foaming process comprising mixing and kneading polypropylene resin and 1,2-polybutadiene resin so that 1,2-polybutadiene resin reacts und |
