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:
Feb. 20, 1979
Filed:
Mar. 17, 1977
Applicant:
Inventors:
Burkhard Lachmann, Meerbusch-Buederich, DE;
Hans J Rosenkranz, Krefeld, DE;
Harald Oertel, Odenthal-Gloebusch, DE;
Alfred Pischtschan, Kuerten-Eichhof, DE;
Aziz El-Sayed, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C08K / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 / ; 546186 ; 546223 ; 542424 ;
Abstract
Piperidine derivatives of formula ##STR1## can be prepared by reacting 4-amino-piperidine with for example enolic ethers. The compounds obtained may be used as stabilizers.
Quick Actions:
Lachmann, Burkhard. (1979). Piperidine derivatives as light stabilizers (U.S. Patent No. 4140673). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4140673
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile