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:
Jan. 16, 1990
Filed:
Feb. 18, 1988
Applicant:
Inventors:
Gotz Koerner, Essen, DE;
Dietmar Schaefer, Essen, DE;
Roland Berger, Bochum, DE;
Hans-Ferdi Fink, Essen, DE;
Heinz Dumm, Essen, DE;
Assignee:
Th. Goldschmidt AG, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; H01B / ;
U.S. Cl.
CPC ...
252 783 ; 252 499 ; 208 14 ; 208 18 ; 137 13 ;
Abstract
Disclosed are pour point depressants of the general, average formula ##STR1## in which R.sup.1 is alkyl with 18 to 36 carbon atoms with the proviso, that at least 40% of the alkyl groups have at least 22 carbon atoms,
Quick Actions:
Koerner, Gotz. (1990). Crude oil with a depressed pour point (U.S. Patent No. 4894175). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4894175
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile