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:
Oct. 20, 1987
Filed:
Mar. 24, 1986
Udo W Hendricks, Odenthal, DE;
Adolf Schmidt, Cologne, DE;
Bayer Aktiengesellschaft, Leverkusen, DE;
Abstract
New sulfosuccinamic acids and derivatives thereof corresonding to the following formula ##STR1## in which R represents a linear or branches, saturated or unsaturated alkyl group containing from 8 to 22 carbon atoms or a group of the formula R.sup.4 --O--(CH.sub.2).sub.3 --(R.sup.4 =C.sub.8 -C.sub.22 alkyl), R.sup.1 and R.sup.2 represent hydrogen or --SO.sub.3 M.sup.1 and R.sup.3 represents a group corresponding to the formula; ##STR2## or to the forumla ##STR3## n is an integer of from 2 to 4 and M and M.sup.1 independently of one another represent hydrogen or an alkali metal, an ammonium, C.sub.1 -C.sub.4 alkylammonium or C.sub.2 -C.sub.3 hydroxyalkylammonium group and their use as surfactants and emulsifiers in aqueous systems.