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:
Jul. 05, 1994
Filed:
Jun. 14, 1993
Applicant:
Inventors:
Semyon D Friedman, Baltimore, MD (US);
Robert W McKinney, Palm Coast, FL (US);
Chia-Chih Ou, Lexington, MA (US);
Robert M Spotnitz, Baltimore, MD (US);
Shaohai Wu, Ellicott City, MD (US);
Assignee:
W.R. Grace & Co.-Conn., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
2523 / ; 106675 ; 106D / ; 4233281 ;
Abstract
A vermiculite composition composed of particulate vermiculite mineral species having a density of 2.3 g/cm.sup.3 to 2.7 g/cm.sup.3 which has intercalated cations of lithium or organo ammonium and to dispersions obtained therefrom.
Friedman, Semyon. (1994). Vermiculite composition with improved chemical exfoliation (U.S. Patent No. 5326500). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5326500
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile