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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.:

US 4269869 B1

PDFFull Text
Date of Patent:
May. 26, 1981

Filed:

Nov. 20, 1979

Method for improving surface properties of porous inorganic material by

Applicant:
Inventors:

Yasushi Morohashi, Tokyo, JP;

Yasuji Komatsu, Hoya, JP;

Toshiaki Hanyuda, Yokohama, JP;

Eiichiro Takiyama, Kamakura, JP;

Tohei Horishima, Koganei, JP;

Kenji Sugimoto, Chigasaki, JP;

Assignees:

Showa Highpolymer Co., Ltd., Tokyo, JP;

Taisei Corporation, Tokyo, JP;

Attorney:

Wenderoth, Lind & Ponack

Primary Examiner:

John H Newsome

Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 541 ; 20415914 ; 526266 ; 526268 ;
Abstract

This invention relates to a method for improving surface properties of a porous inorganic material, which comprises coating said material with an infiltratable photopolymerizable paint containing unsaturated spiroacetal resin as one or more layers in environmental atmosphere to infiltrate said paint into said material and then exposing the resultant material to ultraviolet radiation.

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Morohashi, Yasushi. (1981). Method for improving surface properties of porous inorganic material by (U.S. Patent No. 4269869). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4269869

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