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:
Jan. 11, 1977
Filed:
Apr. 21, 1975
Applicant:
Inventors:
Ritchie A Wessling, Midland, MI (US);
Thomas C Klingler, Midland, MI (US);
Victor E Meyer, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ;
Abstract
Modified cationic latexes are prepared from nonionic or cationic latexes having particles containing chemically bound epoxide groups at or near the particle surface by reacting the latex with a nucleophile such as dimethyl sulfide and an acid such as acetic acid to form a latex having stabilizing onium ions chemically bound to the particle at or near the particle surface.