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.

Date of Patent:
Dec. 07, 1993

Filed:

Apr. 09, 1992
Applicant:
Inventors:

Harro Traubel, Leverkusen, DE;

Hans-Werner Muller, Cologne, DE;

Fritz Novotny, Bergisch Gladbach, DE;

Assignee:

Bayer Aktiengesellschaft, Leverkusen, DE;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ; C08K / ; C08L / ;
U.S. Cl.
CPC ...
524590 ; 524589 ; 528 44 ; 528 53 ; 528 61 ; 528 65 ; 528 66 ; 528 76 ; 528 82 ;
Abstract

Oligourethanes containing both anionic and cationic groups may be used as forming agents for superior non-aqueous pigment preparations.


Find Patent Forward Citations

Loading…