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. 25, 1983
Filed:
May. 27, 1981
Applicant:
Inventors:
John B Clarke, Bradford, GB;
Leslie Pitts, Ilkley, GB;
Assignee:
Allied Colloids Limited, Bradford, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
524 60 ; 524 61 ; 524 63 ; 524 69 ;
Abstract
Quaternized ammonium synthetic polymers having a solution viscosity, as measured on a 1% solution in deionized water at 25.degree. C. using a suspended level viscometer of from 1 to 500 cs are used as dispersing agents in aqueous slurries of water and solid particulate carbonaceous material.