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:
Sep. 07, 1999
Filed:
Oct. 14, 1997
Applicant:
Inventors:
Dennis Miller, Kelkheim, DE;
Axel Vollmer, Kriftel, DE;
Michael Feustel, Kongernheim, DE;
Peter Klug, Grossostheim, DE;
Assignee:
Clariant GmbH, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10C / ;
U.S. Cl.
CPC ...
208 22 ; 208 44 ; 585950 ; 585-1 ; 524 64 ; 524 65 ;
Abstract
The present invention relates to crude oils and products derived therefrom, comprising, as asphaltene-dispersing agent, sarcosinates of the formula (I) ##STR1## in which R.sub.1 is C.sub.7 -C.sub.21 -alkyl or -alkenyl and