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. 27, 1997
Filed:
Dec. 30, 1994
Applicant:
Inventors:
Didier Jamois, Sainte Adresse, FR;
Yannick Jolivet, Le Havre, FR;
Pierre Le Perchec, Lyon, FR;
Bernard Fixari, Vienne, FR;
Assignee:
Total Raffinage Distribution S.A., Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10C / ; C10C / ;
U.S. Cl.
CPC ...
208 44 ; 208 39 ; 208 22 ; 208 23 ;
Abstract
A modified or bridged asphalt composition. The composition can be obtained by treating at least one asphalt base with an acid-derived compound having at least two functional groups capable, respectively, of being grafted onto one or more sites located on two or more different aromatic entities of the asphalt base, so as to link said entities by bridging.