Treated substrate having hydrophilic region and water...

Details Treated substrate having hydrophilic region and water... Treated substrate having hydrophilic region and water...

2011-04-05

2011-04-05

Nakarani, D. S (Department: 1787)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

C428S421000, C428S447000, C428S451000

Reexamination Certificate

active

07919180

ABSTRACT:
A treated substrate having a hydrophilic region and a water repellent region, of which contrast is high on its surface; a process for producing a treated substrate, wherein the treated substrate can be produced with a low amount of light for a short time; wherein the water repellent region is made of a water repellent film formed by curing the composition (A) comprising a photopolymerization initiator and a compound (a) having at least one (meth)acryloyl group, and a water repellent moiety and having a film thickness of from 0.1 to 100 nm; the process uses a hydrophilic substrate or makes the surface thereof hydrophilic, then forms a film containing the composition (A) on the surface, then forms said water repellent film by irradiating light on a part of the film surface to cure the composition (A) and then removes an uncured composition (A) present thereon in order to expose the hydrophilic surface.

REFERENCES:
patent: 6352758 (2002-03-01), Huang et al.
patent: 2006/0003256 (2006-01-01), Takahashi et al.
patent: 11-344804 (1999-12-01), None
patent: 2000-282240 (2000-10-01), None
patent: 2004-259868 (2004-09-01), None
patent: 2004-079454 (2004-09-01), None
U.S. Appl. No. 12/365,970, filed Feb. 5, 2009, Hoshino, et al.
U.S. Appl. No. 12/551,863, filed Sep. 1, 2009, Furukawa.

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