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:
Feb. 15, 1994
Filed:
Mar. 10, 1993
Applicant:
Inventors:
Jui-Chang Chuang, Wayne, NJ (US);
Jenn S Shih, Paramus, NJ (US);
Domingo I Jon, New York, NY (US);
John C Hornby, Washington Township, Bergen County, NJ (US);
Assignee:
ISP Investments Inc., Wilmington, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
524460 ; 524458 ;
Abstract
An emulsion polymerization composition comprises: (a) 1-45% by weight of an emulsion polymerizable monomer, (b) 0.1-5% by weight of an emulsifier and stabilizer which is a copolymer of a vinyl lactam and a polymerizable carboxylic acid, in a 99/1 to 1/99 weight ratio, (c) 1-10% of a surfactant based on monomer, preferably 2-6%, (d) 0.1-2%, preferably 0.2-1%, by weight of a polymerization initiator, and (e) the rest being water, in the form of an aqueous dispersion.