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. 05, 1978
Filed:
Jan. 09, 1978
Applicant:
Inventor:
Kenneth D Fitzgerald, Sugarland, TX (US);
Assignee:
Denka Chemical Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ;
Abstract
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 monomer, based on total monomer, in the presence of 2-6 parts by weight of a protective colloid containing 0.1 to 6 parts by weight hydroxyethyl cellulose and from 0 to 2.9 parts by weight of polyvinyl alcohol.