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:
May. 24, 1977
Filed:
Jul. 23, 1975
Applicant:
Inventors:
Assignee:
Societe Nationale Elf Aquitaine (Production), Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
526 16 ; 526 49 ; 526263 ; 526264 ; 526304 ; 526307 ; 526327 ;
Abstract
Novel hydrophilic modified acrylic polymers, particularly hydrodispersible or hydrosoluble modified acrylic polymers, containing, expressed in molar percentages, p % units derived from an acrylic acid or ester, q % units derived from an alkanolamide of said acid, r % units derived from the alkanolammonium salt of said acid, and s % units derived from a vinyl monomer, wherein p, q, r, s represent integers so selected that 1.ltoreq.p.ltoreq.95, O.ltoreq.q.ltoreq.99, O.ltoreq.r.ltoreq.99 and O.ltoreq.s.ltoreq.40, the sum (p+q+r+s) being equal to 100, and q and r never being nil simultaneously.