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:
Oct. 10, 1989
Filed:
Mar. 03, 1987
Applicant:
Inventor:
I-Ching Chiu, Houston, TX (US);
Assignee:
Pennzoil Products Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C10M / ;
U.S. Cl.
CPC ...
564500 ; 564503 ; 252 50 ; 252 51 ; 252-3 ; 252 / ;
Abstract
N,N-dialkyl-N'-(beta substituted) alkyl alkylene diamines of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are C.sub.1-4 hydrocarbon groups or H, but both R.sub.1 and R.sub.2 are not H, R.sub.4 is a saturated or unsaturated C.sub.14-24 hydrocarbon group, n=1-4 and X is OH or SH are adapted for use as friction and wear reducing additives in friction and wear reducing compositions.
Chiu, I-Ching. (1989). Alkylene diamines for use in friction and wear reducing compositions (U.S. Patent No. 4873370). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4873370
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile