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. 03, 2012
Filed:
Apr. 20, 2010
Applicants:
Stefanie Rinker, Huenxe, DE;
Phillip R. James, Tenby, GB;
Manfred Neumann, Marl, DE;
Oliver Erpeldinger, Wuelfrath, DE;
Frank Kraushaar, Essen, DE;
Inventors:
Stefanie Rinker, Huenxe, DE;
Phillip R. James, Tenby, GB;
Manfred Neumann, Marl, DE;
Oliver Erpeldinger, Wuelfrath, DE;
Frank Kraushaar, Essen, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/27 (2006.01); C07C 45/29 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for preparing a substituted 1,4-quinone methide from a 3,5-disubstituted 4-hydroxybenzaldehyde is provided. Also provided is a method to prepare a 3,5-disubstituted 4-hydroxybenzaldehyde from the corresponding 2,6-disubstituted phenol.
Rinker, Stefanie. (2012). Process for preparing substituted 1,4-quinone methides (U.S. Patent No. 8212081). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8212081
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile