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:
Nov. 01, 1983
Filed:
Dec. 27, 1982
Applicant:
Inventors:
Myron J Coplan, Natick, MA (US);
Gertrud Gotz, Brookline, MA (US);
Assignee:
Albany International Corp., Albany, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
525534 ; 525535 ; 528174 ;
Abstract
Novel sulfonated polyarylethersulfones are derived by heterogeneous sulfonation of polymer/solvent intercrystallites of difficultly sulfonatable polyarylethersulfones in chlorinated hydrocarbon solvents with a sulfonation agent.
Coplan, Myron. (1983). Heterogeneous sulfonation process for difficultly sulfonatable (U.S. Patent No. 4413106). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4413106
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile