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:
Dec. 08, 1992
Filed:
Sep. 24, 1991
Applicant:
Inventor:
Bruce E Wright, The Woodlands, TX (US);
Assignee:
Betz Laboratories, Inc., Trevose, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10L / ;
U.S. Cl.
CPC ...
44415 ;
Abstract
Oxidative stability of gasoline mixtures is improved by adding to the gasoline a phenylenediamine compound (I) in combination with a strongly basic organoamine compound (II). The compound (II) may comprise alkyphenol-polyamine-formaldehyde Mannich reaction products, hydroxylamines, polyethylenepolyamines, and members of the group of piperazine, aminoalkyl substituted pipearazine and amino substituted alicyclic alkanes.