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. 20, 1978
Filed:
Dec. 08, 1975
Applicant:
Inventors:
Kenneth Melvin Otteson, Menlo Park, CA (US);
Daniel Joseph Dawson, Menlo Park, CA (US);
Assignee:
Dynapol, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 797 ; 260144 ; 424 78 ; 426250 ;
Abstract
Ethylsulfonate-alkylamine copolymers are disclosed. These copolymers find special application as intermediates in the preparation of new water-soluble polymeric colorants which are also disclosed, especially water-soluble polymeric colorants for edibles.