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:
Sep. 29, 1992
Filed:
May. 16, 1991
Applicant:
Inventors:
Joseph E Babiarz, Amawalk, NY (US);
Werner Rutsch, Fribourg, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
524255 ; 524167 ; 524172 ; 524217 ; 524239 ; 524243 ; 524251 ; 524252 ; 524254 ; 524257 ; 524258 ;
Abstract
N,N,N',N'-Tetrasubstituted 1,4-diamino-2-butynes or N,N-disubstituted propargylamines where the substituents are alkyl, cycloalkyl, phenylalkyl, aryl or mixtures thereof provide effective antioxidant protection to lubricants and/or synthetic polymers.
Babiarz, Joseph. (1992). Substituted 1,4-diamino-2-butyne or propargylamine as stabilizers for (U.S. Patent No. 5151459). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5151459
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile