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:
Jun. 13, 2000
Filed:
May. 18, 1998
Applicant:
Inventors:
Ying Wang, Wilmington, DE (US);
Larry Wayne Harrison, Bear, DE (US);
Assignee:
E. I. du Pont Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
136256 ; 429111 ; 423610 ;
Abstract
Improved photovoltaic cells utilizing for a semiconductor layer, titanium dioxide powders, consisting of porous particles, ranging in size from 0.1 to 10 microns (10.sup.-6 meters), and possess relatively high bulk density combined with high surface area.