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:
Sep. 23, 2008
Filed:
Jan. 09, 2008
Applicants:
Ulrich Blaschke, Krefeld, DE;
Stefan Westernacher, Kempen, DE;
Arne Braun, Leverkusen, DE;
Raymond Audenaert, Hamme, BE;
Jesko Zank, Köln, DE;
Inventors:
Ulrich Blaschke, Krefeld, DE;
Stefan Westernacher, Kempen, DE;
Arne Braun, Leverkusen, DE;
Raymond Audenaert, Hamme, BE;
Jesko Zank, Köln, DE;
Assignee:
Bayer Materialscience AG, Leverkusen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 37/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the preparation of high purity bisphenol A is disclosed. The multi-step process entails a process whereby bisphenol A of a purity of preferably at least 99.8% can be obtained.
Blaschke, Ulrich. (2008). Process for the preparation of high-purity bisphenol a (U.S. Patent No. 7427694). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7427694
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile