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:
Jun. 06, 2017
Filed:
Dec. 01, 2015
Applicants:
Katrin Marie Dyballa, Recklinghausen, DE;
Robert Franke, Marl, DE;
Armin Boerner, Rostock, DE;
Detlef Selent, Rostock, DE;
Inventors:
Katrin Marie Dyballa, Recklinghausen, DE;
Robert Franke, Marl, DE;
Armin Boerner, Rostock, DE;
Detlef Selent, Rostock, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/6571 (2006.01); C07F 9/6574 (2006.01); C07C 45/50 (2006.01);
U.S. Cl.
CPC ...
C07F 9/6571 (2013.01); C07C 45/50 (2013.01); C07F 9/65746 (2013.01);
Abstract
Bisphosphites having an outer naphthyl-phenyl unit and a central 2,3'-biphenol unit and their preparation are described.