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:
Aug. 30, 2005
Filed:
May. 29, 2002
Applicants:
Albrecht Marhold, Leverkusen, DE;
Käthe Baumann, Wuppertal, DE;
Inventors:
Albrecht Marhold, Leverkusen, DE;
Käthe Baumann, Wuppertal, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C039/12 ;
U.S. Cl.
CPC ...
Abstract
This invention relates to 1,2-di(4-hydroxyaryl)tetrafluoroethanes of the general formula (I)wherein This invention further relates to the preparation of such compounds as well as to precursors and intermediates that can be used in their preparation.