The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 04, 1979
Filed:
Mar. 15, 1978
Michio Tsurumi, Yokohama, JP;
Takashi Sakakiyama, Yokohama, JP;
Kichiya Tazaki, Yokohama, JP;
Masaoki Koyama, Yokohama, JP;
Asahi-Dow Limited, Tokyo, JP;
Abstract
Improved copolymer latexes and flame-retardant or self-extinguishing adhesive compositions comprising such latexes are provided wherein the copolymer particles of the latexes are beneficially composed of from about 5 to about 60 weight percent of an aliphatic conjugated diolefin; from about 5 to about 55 weight percent of an aromatic vinyl monomer, an acrylate ester or a methacrylate ester; from about 0.5 to about 10 weight percent of an ethylenically unsaturated carboxylic acid; and from about 25 to about 70 weight percent of vinylidene chloride and wherein the copolymer latexes are obtained by first emulsion copolymerizing a first monomer mixture which includes substantially all of the vinylidene chloride, and then emulsion copolymerizing, in the presence of the first copolymerization product, a second monomer mixture which includes substantially all of the aliphatic conjugated diolefin and substantially all of any aromatic vinyl monomer to be employed.