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:
Feb. 07, 1984
Filed:
Oct. 22, 1981
Applicant:
Inventor:
Leonard F Gate, St. Austell, GB;
Assignee:
English Clays Lovering Pochin & Co., Ltd., St. Austell, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C04B / ; C08K / ; C09C / ;
U.S. Cl.
CPC ...
2523 / ; 106291 ; 1063 / ; 1621816 ; 252314 ;
Abstract
In order to make talc more readily dispersible in an aqueous medium, it is contacted, in a finely divided form, with an aqueous solution of an alkali metal hydroxide or ammonium hydroxide, it is then washed with clean water, whereafter it is thermally dried to remove at least a substantial proportion of the water associated therewith. The talc thus treated can be suspended in water containing a dispersing agent.