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:
Oct. 07, 1980
Filed:
Nov. 08, 1976
Applicant:
Inventors:
Donald Goodman, Flemington, NJ (US);
Marvin Koral, Warren, NJ (US);
Robert S Miller, Bridgewater, NJ (US);
Robert J Stanaback, Gladstone, NJ (US);
Assignee:
Tenneco Chemicals, Inc., Saddle Brook, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
528483 ; 526200 ; 528490 ; 528501 ;
Abstract
Vinyl chloride is removed from polyvinyl chloride dispersions and latexes by adding to them from 2% to 8% by weight of a polar water-soluble organic compound that has a boiling point between about 50.degree. C. and 150.degree. C. and sparging the resulting mixtures with a gas, such as nitrogen, while they are maintained at subatmospheric pressure.