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. 28, 1977
Filed:
Dec. 20, 1974
Arnold Heins, Hilden, DT;
Hinrich Moller, Dusseldorf-Benrath, DT;
Rainer Osberghaus, Dusseldorf-Urdenbach, DT;
Henkel & Cie G.m.b.H., Dusseldorf-Holthausen, DT;
Abstract
The present invention relates to N-polyhydroxyalkyl-amino acids of the formula ##STR1## wherein R.sub.1 represents a phenylene or a group of the general formula --CHR.sub.3 --, wherein R.sub.3 represents hydrogen, alkyl, benzyl possibly substituted by a hydroxyl group, hydroxyalkyl, mercaptoalkyl, methylthioalkyl, aminoalkyl, polyhydroxylalkylaminoalkyl, carboxyalkyl, guanidinoalkyl, N-polyhydroxyalkylguanidinoalkyl or a ureidoalkyl group, R.sub.2 represents a CH.sub.2 OH or COOH group, m stands for the integers of 3 or 4 and n for the integer 0, if m = 3, when R.sub.2 is COOH, or 4, or for the number 1, if m = 3 and R.sub.2 represents a CH.sub.2 OH group, their alkali metal salts or possibly substituted ammonium salts; as well as the process of preparing the same and skin care and protection agents containing an effective amount of said N-polyhydroxyalkyl-amino acids.