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:
Mar. 27, 1979
Filed:
Jan. 09, 1978
Applicant:
Inventors:
Siegfried Rosenberger, Riehen, CH;
Andreas Schmidt, Reinach, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C08K / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 544314 ;
Abstract
Compounds of the formula I ##STR1## wherein A is alkylidene or optionally alkylated vinylene, B is a group of the formula II ##STR2## wherein R.sub.1 and R.sub.2 are alkyl, R.sub.3, R.sub.4 and R.sub.5 are hydrogen or alkyl and n is 0, 1 or 2 and m is 1 or 2, and X is identical to B if m equals 1 or X is methylene if m equals 2, as stabilizers for organic material.
Quick Actions:
Rosenberger, Siegfried. (1979). Diones and their use as polymer stabilizers (U.S. Patent No. 4146531). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4146531
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile