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:
Nov. 18, 1997
Filed:
Mar. 11, 1996
Applicant:
Inventor:
Mark R Rubino, Pittsburgh, PA (US);
Assignee:
Aristech Chemical Corp, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C08K / ; C08K / ;
U.S. Cl.
CPC ...
546184 ; 524 99 ; 524100 ; 524102 ; 546255 ; 546350 ;
Abstract
New N-substituted piperidines useful as light stabilizers in synthetic resins are disclosed. They are 1-(2,7-octadienyl)-2,2,6,6-tetraalkylpiperidines wherein the alkyl groups are independently selected lower alkyl groups such as methyl or ethyl and the 3 and 5 positions may be substituted by methyls. The ring may be monounsaturated; a new compound 1-(2,7-octadienyl)-2, 2,6,6-tetramethyl-3-pyridine is described.