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:
Jul. 27, 1982
Filed:
Sep. 22, 1980
Applicant:
Inventors:
Helmut Diery, Kelkheim, DE;
Wolfgang Wagemann, Tremsbuttel, DE;
Joachim Weide, Kelkheim, DE;
Reinhold Deubel, Bad Soden am Taunus, DE;
Martin Hille, Liederbach, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ; C07C / ; C07F / ;
U.S. Cl.
CPC ...
2604 / ; 252193 ; 252357 ; 252358 ; 252392 ; 252403 ; 564504 ; 564506 ; 564475 ; 564505 ; 260925 ;
Abstract
Polyether polyamines of the formula 1 ##STR1## in which R.sub.1 and R.sub.2 are identical or different and denote C.sub.8 -C.sub.30 -alkyl, -2-hydroxyalkyl or -alkenyl or C.sub.8 -C.sub.24 -alkoxypropyl, m and n are 2 or 3, R.sub.3 is hydrogen or methyl and the sum of o+p+q+r is an integer from 4 to 600, process for their manufacture and their use as dispersing agents, corrosion inhibitors, demulsifiers and acid retarders.