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:
Jun. 02, 1998
Filed:
Jul. 13, 1995
Stanley B Mirviss, Stamford, CT (US);
Meiylin F Antezzo, Carmel, NY (US);
Akzo Nobel nv, Arnhem, NL;
Abstract
Polysaccharide acid amide compositions are disclosed which contains one extra carbon atom as compared to the polysaccharide and which comprises an acid amide of the formula --C(O)N(R)(R') where R is selected from the group consisting of hydrogen and alkyl of from about one to about four carbon atoms and R' is fatty alkyl of no less than about eight carbon atoms. Disaccharides such as lactose or maltose are preferred. These polysaccharide acid amides are formed by reacting the polysaccharide with a cyanide source, for example, an alkali metal cyanide, such as sodium cyanide, in the presence of an amine reagent containing a fatty alkyl group, such as one which comprises a ammonium ion of the formula H.sub.2 N(R)(R') where R is selected from the group consisting of hydrogen and alkyl of from about one to about four carbon atoms and R' is fatty alkyl of no less than about eight carbon atoms.