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.

Date of Patent:
Feb. 19, 1980

Filed:

Apr. 03, 1978
Applicant:
Inventors:

Brian Holt, Stretford, GB;

Peter I Lee, Prestwood, Nr. Great Missenden, GB;

Assignee:

Ciba-Geigy Corporation, Ardsley, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C10M / ; C10M / ;
U.S. Cl.
CPC ...
548312 ; 252 47 ; 252 475 ; 252 499 ; 252 / ; 544 82 ; 544139 ; 544357 ; 544370 ; 548308 ; 548309 ; 548314 ; 546 15 ; 546187 ; 546210 ;
Abstract

Lubricating oil compositions, comprising as additive, from 0.001 to 10% by weight, based on the weight of the total composition, of a 1- or 3-aminomethyl-hydantoin or a 1,3-diaminomethyl-hydantoin.


Find Patent Forward Citations

Holt, Brian. (1980). 1,3-diaminomethyl-hydantoin additives for lubricating oils (U.S. Patent No. 4189587). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4189587

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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