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:
Apr. 26, 1977
Filed:
Dec. 11, 1975
Applicant:
Inventor:
Anthony John Park, South Croydon, EN;
Assignee:
The British Petroleum Company Limited, London, EN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
528503 ; 528490 ; 528491 ; 528492 ;
Abstract
Residual vinyl halide is removed from vinyl halide polymer by radiofrequency dielectric heating while maintaining the presence of water in the polymer by impeding evaporation of water from the polymer.