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:
May. 18, 1982
Filed:
Jan. 26, 1981
Applicant:
Inventors:
Heinz Klippert, Burgkirchen, DE;
Dieter Ulmschneider, Konigstein, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526200 ; 526201 ; 526202 ; 5263442 ;
Abstract
A process for the polymerization of vinyl chloride in an aqueous phase in the presence of oil-soluble free-radical initiators and a mixture of at least two high-molecular, surface-active suspending agents is described. This mixture is composed of 10 to 90% by weight (relative to the mixture) of at least one copolymer formed from vinyl acetate and a compound of the formula