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. 31, 1989
Filed:
Jul. 17, 1987
Applicant:
Inventors:
Cheng-Fa Lu, Newark, DE (US);
Lawrence L Nelson, Wilmington, DE (US);
Assignee:
Hercules Incorporated, Wilmington, DE (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
2523 / ; 106D / ;
Abstract
A process for the production of an aqueous dispersion of vermiculite ore particles comprising delaminating vermiculite ore by subjecting an aqueous slurry of the ore to a shearing action until a dispersion containing vermiculite lamellae having dimensions less than 200 microns is produced.