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:
Jul. 29, 1997
Filed:
Nov. 13, 1995
Applicant:
Inventors:
Uwe Hucks, Alpen, DE;
Steffen Kuhling, Meerbusch, DE;
Thomas Fischer, Krefeld, DE;
Gottfried Zaby, Leverkusen, DE;
Franz Ferdinand Rhiel, Dormagen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528196 ; 528199 ; 528201 ;
Abstract
The invention relates to a transesterification process for the production of thermoplastic, solventless oligo-/polycarbonates in which aromatic diphenols and carbonic acid diaryl esters are combined and reacted in gaseous form.
Hucks, Uwe. (1997). Process for the production of thermoplastic polycarbonate (U.S. Patent No. 5652324). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5652324
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile