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:
Feb. 09, 1988
Filed:
Sep. 26, 1986
Applicant:
Inventors:
Werner Ritschel, Hofheim, DE;
Horst Lorke, Liederbach, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
422 16 ; 422 13 ; 422-7 ; 252 493 ; 252392 ;
Abstract
The use, as anti-corrosion agents, of alkenylsuccinic acid half-amides of the formulae ##STR1## in which R denotes C.sub.6 -C.sub.18 -alkenyl, R.sup.1 denotes C.sub.12 -C.sub.18 -alkyl and K denotes a proton, an alkali metal ion or an ammonium ion of the formula NHR.sup.2 R.sup.3 R.sup.4, and R.sup.2, R.sup.3 and R.sup.4 are identical or different and denote hydrogen, C.sub.1 -C.sub.12 -alkyl, 2-hydroxyethyl or 2-hydroxypropyl.