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:
May. 12, 1987
Filed:
Jul. 10, 1985
Applicant:
Inventors:
Jacques Denis, Charbonniere les Bains, FR;
Bernard Sillion, Lyons, FR;
Bernard Damin, Oullins, FR;
Jean-Michel Laupie, Communay, FR;
Assignees:
Institut Francais du Petrole, Rueil-Malmaison, FR;
Elf France, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10L / ; C10L / ;
U.S. Cl.
CPC ...
44 62 ; 44 70 ; 44 71 ; 44 72 ; 252 / ;
Abstract
Additive compositions, useful in particular for improving the cold filterability properties of oil middle distillates, comprise: