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. 26, 1993
Filed:
Oct. 29, 1991
Applicant:
Inventor:
Massimo Barzaghi, Bergamo, IT;
Assignee:
Sigma Prodotti Chimici S.p.A., Bergamo, IT;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
5253289 ; 5253295 ; 5253299 ; 5253302 ; 5253305 ; 5253306 ; 525368 ; 525369 ;
Abstract
Solid salts of cross-linked acrylic acid polymers or copolymers with alkali or aliphatic amines, useful as thickening agents, a process for the preparation thereof and the use thereof in the chemical, pharmaceutical, cosmetic, textile, paper industries.