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:
Nov. 09, 1999
Filed:
May. 19, 1997
Applicant:
Inventors:
Gordon L McGregor, Landenberg, PA (US);
Raymond B Minor, Elkton, MD (US);
Assignee:
W. L. Gore & Associates, Inc., Newark, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; F21V / ;
U.S. Cl.
CPC ...
359599 ; 359350 ;
Abstract
The present invention is an improved material and method for use for providing diffuse reflectivity of light. It has been determined that by employing a polymer having an index of refraction of greater than or equal to 1.42 and a porosity of greater than 10%, improved reflectivity can be achieved over existing reflectant materials having only one of these properties. Suitable materials for use in the present invention include nylon, polyvinylidene (PVDF), and cellulose acetate.