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. 07, 2014
Filed:
Feb. 24, 2009
Shigeo Hamaguchi, Matsusaka, JP;
Yukihiro Ougitani, Matsusaka, JP;
Yoshinori Akamatsu, Matsusaka, JP;
Shinobu Arata, Matsusaka, JP;
Shigeo Hamaguchi, Matsusaka, JP;
Yukihiro Ougitani, Matsusaka, JP;
Yoshinori Akamatsu, Matsusaka, JP;
Shinobu Arata, Matsusaka, JP;
Central Glass Company, Limited, Ube-shi, JP;
Abstract
According to a first aspect of the present invention, a process for production of a water-absorbing article including a substrate and a coating film formed on the substrate and formed of a water-absorbing urethane resin is characterized in that: the process comprises an application step of applying a coating liquid to the substrate; the application step includes a step of supplying the coating liquid from a nozzle disposed above the substrate to a surface of the substrate conveyed horizontally; the coating liquid includes a solid matter and a solvent; the solid matter includes a mixture of a polyisocyanate, a polyol having ethylene oxide and a hydrophobic polyol; a concentration of the solid matter in the coating liquid is adjusted within a range from 5 to 30% in mass; and a viscosity of the coating liquid is adjusted within a range from 1 to 3 mPa·s.