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. 14, 1997
Filed:
May. 23, 1995
Applicant:
Inventors:
Richard A Meinzer, Glastonbury, CT (US);
Philip J Birbara, Windsor Locks, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C03C / ;
U.S. Cl.
CPC ...
427512 ; 2041573 ; 20415744 ; 427553 ;
Abstract
The present invention discloses a simplified method for coating a substrate with photocatalytic semiconductor by mixing photocatalytic semiconductor powder with water to form a mixture, reducing said pH of the mixture to below about 4, emulsifying the mixture, coating the substrate therewith, and illuminating the coated substrate with ultra-violet.