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:
Mar. 31, 1998
Filed:
Jan. 06, 1997
Applicant:
Inventors:
Steffen Kuhling, Meerbusch, DE;
Kaspar Hallenberger, Leverkusen, DE;
Pieter Ooms, Krefeld, DE;
Hans-Josef Buysch, Krefeld, DE;
Gunther Jeromin, Krefeld, DE;
Assignee:
Bayer Aktiengesellschaft, , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528196 ; 528198 ; 202182 ;
Abstract
The present invention relates to a distillation process for the purification of carbonic acid diaryl esters.
Kuhling, Steffen. (1998). Process for the purification of carbonic acid diaryl ester (U.S. Patent No. 5734004). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5734004
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile