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:
May. 14, 1996
Filed:
Jul. 08, 1994
Applicant:
Inventors:
Joseph A Check, III, West Bayshore, NY (US);
Steven M Slovak, North Massapequa, NY (US);
Robert I Thompson, Plainview, NY (US);
Assignee:
Research Frontiers Incorporated, Woodbury, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ;
U.S. Cl.
CPC ...
252585 ; 359296 ;
Abstract
A method of making crystals of a light-polarizing material useful in a liquid light valve suspension with the addition of controlled amounts of water relative to the amount of reactants used in making the particles of the light-polarizing material.