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. 22, 1977
Filed:
Aug. 10, 1976
Applicant:
Inventors:
Assignee:
Bayer Aktiengesellschaft, , DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C08F / ;
U.S. Cl.
CPC ...
544 73 ; 260 / ;
Abstract
Novel, sulphonated polybenz-1,3-oxazin-2,4-diones are produced by reacting polybenzoxazin diones with chlorosulphonic acid in a molar ratio of from 1:1 to 1:10.
Elfert, Klaus. (1977). Sulphonated polybenz-1,3-oxazin-2,4-diones (U.S. Patent No. 4059580). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4059580
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile