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:
Jun. 21, 1977
Filed:
Dec. 15, 1975
Applicant:
Inventors:
Hans Berger, Amsterdam, NL;
Gerhard De Lind Van Wijngaarden, Amsterdam, NL;
Jacobus H Breuker, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 50 ; 252399 ; 252401 ;
Abstract
The daylight stability of hydroprocessed oils is improved by adding thereto (1) singlet oxygen quenchers suitably selected from the class consisting of carotenes, aliphatic amines and heterocyclic amines, and (2) certain aromatic secondary amines as antioxidants.