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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.:

US 5492641 B1

PDFFull Text
Date of Patent:
Feb. 20, 1996

Filed:

Nov. 21, 1994

.beta.-aminonitriles and n-alkyl-1,3-propylenediamines and their use as

Applicant:
Inventors:

Juergen Mohr, Gruenstadt, DE;

Knut Oppenlaender, Ludwigshafen, DE;

Lothar Franz, Mutterstadt, DE;

Juergen Thomas, Fussgoenheim, DE;

Assignee:

BASF Aktiengesellschaft, Ludwigshafen, DE;

Attorney:

Keil & Weinkauf

Primary Examiner:

Prince Willis, Jr

Assistant Examiner:

Cephia D Toomer

Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 50 ; 558408 ; 558452 ;
Abstract

.beta.-Aminonitriles of the following formula I ##STR1## where R.sup.1 is an aliphatic hydrocarbon radical having alkyl side groups and a number average molecular weight of from 250 to 5,000 and R.sup.2, R.sup.3 and R.sup.4, independently of one another, are each hydrogen or C.sub.1 -C.sub.8 -alkyl and R.sup.2 or R.sup.4 is also phenyl, and alkylpropylenediamines prepared from the .beta.-aminonitriles by hydrogenation are used as additives in fuels and lubricants.

Find Patent Forward Citations

Mohr, Juergen. (1996). .beta.-aminonitriles and n-alkyl-1,3-propylenediamines and their use as (U.S. Patent No. 5492641). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5492641

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