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. 02, 1988
Filed:
Jan. 14, 1986
Werner Ritschel, Hofheim am Taunus, DE;
Hermann Hoffmann, Kelkheim, DE;
Hoechst Aktiengesellschaft, Frankfurt, DE;
Abstract
Salts of alkenylsuccinic acid monoamides of the formulae ##STR1## wherein R.sup.1 is C.sub.6 -C.sub.22 -alkenyl, preferably C.sub.9 -C.sub.18 -alkenyl, A is the protonized radical of an amidoamine of the formula II ##STR2## R.sup.2 is C.sub.5 -C.sub.22 -alkyl, preferably C.sub.10 -C.sub.18 -alkyl, C.sub.5 -.sub.22 -alkenyl or cycloalkyl, preferably C.sub.10 -C.sub.18 -alkenyl or cycloalkyl, R.sup.3 is a group of the formula ##STR3## R.sup.4 is either a group of the formula --COR.sup.2, R.sup.5 at the same time being hydrogen, or R.sup.4 and R.sup.5 at the same time have the same meaning as R.sup.3, Y is hydrogen or methyl, n is a number from 0 to 12 and x is a number from 1 to 3. These compounds are suitable as corrosion inhibitors in water-in-oil emulsions, in particular for petroleum and petroleum products.