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:
May. 09, 1989
Filed:
Jun. 15, 1987
Applicant:
Inventors:
Joachim K Seydel, Borstel, DE;
Helmut Pieper, Biberach, DE;
Gerd Kruger, Biberach, DE;
Klaus Noll, Warthausen, DE;
Johannes Keck, Biberach, DE;
Uwe Lechner, Ummendorf, DE;
Assignee:
Dr. Karl Thomae GmbH, Biberach an der Riss, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
514155 ; 2603976 ;
Abstract
Disclosed are substituted bis(4-aminophenyl)-sulfones of general formula ##STR1## wherein R.sub.1 is hydrogen, alkyl or cycloalkyl; group,
Seydel, Joachim. (1989). Substituted bis-(4-aminophenyl)-sulfones (U.S. Patent No. 4829058). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4829058
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile