Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Reexamination Certificate
2007-02-20
2007-02-20
Harrington, Alicia (Department: 2873)
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
Reexamination Certificate
active
11039261
ABSTRACT:
A plastic lens of a multilayer film structure forms an organosiloxane-based hard coating film formed on a surface of a lens substrate as a first layer, an inorganic oxide-based antireflection film formed on the hard coating film as a second layer, and a water-repellent thin film obtained by polycondensing an organosilicon compound and formed on the antireflection film as a third layer, pencil hardness of the surface of the lens on which these plural layer films are formed being from 3H to 7H, and an initial falling angle of oleic acid on the surface of the lens on which these plural layer films are formed being 20° or less.
REFERENCES:
patent: 6296793 (2001-10-01), Anthes et al.
patent: 6929822 (2005-08-01), Kono
patent: 2003/0181044 (2003-09-01), Takahashi et al.
patent: 2005/0196616 (2005-09-01), Stewart et al.
Abstract of Japanese Patent Publication No. 63214701 Pub. Date: Sep. 7, 1988, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 63293502, Pub. Date: Nov. 30, 1988, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 05215905 Pub. Date: Aug. 27, 1993, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 09113852, Pub. Date: May 2, 1997, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 09157582, Pub. Date: Jun. 17, 1997, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 2001-228302 Pub. Date: Aug. 24, 2001, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 2001-358495 Pub. Date: Dec. 26, 2001, Patent Abstracts of Japan.
Abstract of Japanese Patent Publication No. 2002-148402 Pub. Date: May 22, 2002, Patent Abstracts of Japan.
Hase Kaname
Ishii Naoyuki
Kato Yuji
Harrington Alicia
Martine & Penilla & Gencarella LLP
Tokai Kogaku Co., Ltd.
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