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. 09, 1998
Filed:
Jun. 14, 1996
Applicant:
Inventors:
Shinsuke Ochiai, Nishinomiya, JP;
Yukio Yasunori, Osaka, JP;
Yuji Tanaka, Kyoto, JP;
Hitoharu Hachisuka, Hyogo, JP;
Assignees:
Sumitomo Chemical Company, Limited, Osaka, JP;
Daikin Industires, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; B29D / ; B32B / ;
U.S. Cl.
CPC ...
428215 ; 427387 ; 428336 ; 428337 ; 428412 ; 428429 ; 428447 ; 428451 ;
Abstract
An antireflection filter comprising a film- or sheet-form transparent substrate, an antireflection coating on at least one surface of the substrate, which coating contains an inorganic compound, and a stain proofing layer on the antireflection coating, which layer contains a specific silane compound having an average molecular weight of 5.times.10.sup.2 to 1.times.10.sup.5.