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:
Mar. 05, 1985
Filed:
Nov. 10, 1983
Applicant:
Inventors:
David C Alexander, Austin, TX (US);
John F Knifton, Austin, TX (US);
Susan D Unvert, Austin, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528392 ; 5253293 ; 5253321 ; 5253329 ; 525375 ; 525378 ; 525379 ; 525383 ; 528422 ; 564467 ; 564485 ; 564509 ;
Abstract
An aminomethylation reaction is disclosed wherein polymeric polyamines are produced. Polymeric polyolefins such as polybutadiene, ammonia, primary or secondary amines, and synthesis gas are reacted in the presence of a catalyst system comprising a ruthenium-containing catalyst, such as triruthenium dodecacarbonyl, and dimethyl formamide as a solvent. The use of a two-phase solvent mixture consisting of N,N-dimethylformamide plus a hydrocarbon is particularly advantageous in that: