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. 07, 1983
Filed:
Oct. 23, 1981
Applicant:
Inventors:
Patricia M Scanlon, Arlington, MA (US);
E Richard Young, Nashua, NH (US);
Assignee:
W. R. Grace & Co., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562448 ; 562426 ;
Abstract
Alkyl-substituted hydroxy benzyl amino acid oligomers are effective metal chelating agents in a broad range of non-aqueous systems. The products claimed display surprisingly high solubilities in a broad range of substituted and unsubstituted aliphatic and aromatic solvents.