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. 21, 1995
Filed:
Mar. 14, 1994
Applicant:
Inventors:
Gunther Boehmke, Leverkusen, DE;
Gerd Schmitz, Leverkusen, DE;
Assignee:
Bayer AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528363 ; 524548 ; 524549 ; 524599 ; 524601 ; 524606 ; 525418 ; 525419 ; 525420 ; 528328 ; 528392 ;
Abstract
Polysuccinimide, polyaspartic acid and their salts are prepared by reaction of maleic anhydride and ammonia, polycondensation of the resulting product in the presence of a solubilizing agent and, if appropriate, hydrolysis.
Boehmke, Gunther. (1995). Process for the preparation of polysuccinimide, polyaspartic acid and (U.S. Patent No. 5468838). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5468838
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile