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| Number | Title | Issue Date |
| 4173665 | Method of rustproofing motor vehicles An improved rustproofing composition for application to metal panels of motor vehicle bodies for prevention of rust and corrosion of same, comprising polychloroprene polymer latex solids dispersed in an aqueous medium, surface active agents, pigments, fre... | 11/06/1979 |
| 4156671 | Process for the preparation of chloroprene polymer solutions suitable for contact adhesives Production of a solution of a chloroprene polymer, suitable for use as a component for an adhesive, by dissolving the polymer in a solvent, and heating the solution, adding a free-radical catalyst and contacting the solution with a molecular oxygen contai... | 05/29/1979 |
| 4153465 | CaZn2 (PO4)2 .2H2 O anticorrosion pigment An anticorrosion pigment suited for paints and lacquers and consisting of CaZn2 (PO4)2 . 2H2 O crystallizing in the Scholzite lattice and having a specific surface according to BET of from 0.1 to 50 m2 | 05/08/1979 |
| 4138537 | Peroxide vulcanized W-type chloroprene An antioxidant-free vulcanizable composition comprises W-type polychloroprene and a ଲ-substituted diperoxyketal selected from 2,2-bis-(t-butyl peroxy) butane and 1,1-bis-(t-butyl peroxy)-3,3,5-trimethyl cyclohexane.... | 02/06/1979 |
| 4128514 | Stable polychloroprene latex An aqueous latex having good colloidal stability against coagulation upon the addition of ionic material is made by polymerizing (1) an aqueous suspension of chloroprene monomer containing about 0.5 to 5.0 parts of alpha, beta-unsaturated carboxylic acid ... | 12/05/1978 |
| 4101481 | Process for the manufacture of stable polychloroprene latex Polymerization of chloroprene in an alkaline aqueous emulsion provides an improved latex by adding a specific amide to the emulsion, the amide being insoluble in water, soluble in the chloroprene and not being hydrolyzed by NaOH. The presence of an amide ... | 07/18/1978 |
| 4098989 | Polychloroprene powders An improvement in the process of producing free-flowing polychloroprene powder wherein the spent coagulant solution is removed prior to adjusting the pH of the coagulated latex with a base, thereby reducing the amount of base required and wherein it has b... | 07/04/1978 |
| 4092285 | Encapsulation of critical chemicals A composition of matter useful for dispersing a critical chemical in a rubber or plastic compound, said composition comprising from about 60 to about 95 percent by weight of a critical chemical and from about 5 to about 40 percent by weight of a binder, s... | 05/30/1978 |
| 4085236 | Process for producing electrostatic recording material A process for producing an electrostatic recording material which comprises kneading a hydrophobic pigment having a critical surface tension of 50 dynes/cm or less with an aqueous dispersion of a copolymer consisting of (I) 10 to 50% by weight of methacry... | 04/18/1978 |
| 4073753 | Outdoor surface compositions An outdoor surface composition for surfacing outdoor playing areas or other utility areas comprises a mixture of particulate reclaimed rubber and inorganic particulate solids, such as sand, mixed together and compacted in a particular weight ratio, with e... | 02/14/1978 |
| 4060425 | Super rapid hardening mixture This invention relates to a super rapid hardening mixture comprising A. a super rapid hardening cement in which 11CaO.7Al2 O3. CaZ (X is a halogen atom), 3CaO.SiO2 and CaSO4 are present as indespensable components; B... | 11/29/1977 |
| 4036804 | Adhesive composition An adhesive composition for bonding a rubber material onto a metal substrate, which comprises (1) an aqueous solution or dispersion of an elastic high molecular compound having a carboxyl group, (2) a vulcanizing agent and (3) a vulcanization accelerator.... | 07/19/1977 |
| 4036799 | Compositions containing polychloroprene Polychloroprene blends contain 3 - 300 parts by weight of polychloroprene of hardened extract. They may be produced by mixing latices.... | 07/19/1977 |
| 3998778 | Pourable elastomeric particles Discrete, finely divided, tack-free elastomer particles are prepared from a filler-containing aqueous elastomer emulsion containing an aqueous emulsion of an elastomer dissolved in a volatile inert organic solvent having an emulsifying amount of a quatern... | 12/21/1976 |
| 3997494 | Compounded thermoplastic polymeric materials and fillers A method of compounding thermoplastic polymeric material and fillers, including additives and agents, and unique compounded products. The compounding method comprises mixing the thermoplastic polymeric material in particulate form with particulate filler,... | 12/14/1976 |
| 3965061 | Adhesive composition An adhesive composition consisting essentially of two different types of chloroprene polymers, an oil-soluble, heat-hardenable phenol-aldehyde resin, an alkali metal or alkaline earth metal oxide or hydroxide and a zinc salt of rosin. The two different ty... | 06/22/1976 |
| 3941767 | Method of preparing powdered elastomer compositions An improved process is used to prepare encased powdered elastomers which replace slab rubber in injection molding formulations and thereby eliminates the need for milling and high shear mixing. A composition is obtained which is easily blended and is capa... | 03/02/1976 |
| 3933719 | Polychloroprene-base adhesive composition A polychloroprene-base adhesive composition having a long retention time of tackiness without lowering of adhesive strength, which consists of: (1) resinous material having a softening point of 145°C or higher being obtained by polymerization of a cracked oil... | 01/20/1976 |
