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:
May. 22, 2018
Filed:
Mar. 25, 2011
Masato Hamajima, Tokyo, JP;
Yoshimitsu Inoue, Tokyo, JP;
Hisashi Mihori, Tokyo, JP;
Yoshihito Fukasawa, Tokyo, JP;
Masato Hamajima, Tokyo, JP;
Yoshimitsu Inoue, Tokyo, JP;
Hisashi Mihori, Tokyo, JP;
Yoshihito Fukasawa, Tokyo, JP;
ASAHI KASEI CONSTRUCTION MATERIALS CORPORATION, Tokyo, JP;
Abstract
A phenolic resin foam laminated sheet comprising a phenolic resin foam; and a face material for covering a surface of the phenolic resin foam, wherein the phenolic resin foam contains a hydrocarbon, a chlorinated aliphatic hydrocarbon or a combination thereof, a density of the phenolic resin foam is 10 kg/mor higher and 100 kg/mor lower, an average cell diameter of the phenolic resin foam is 5 μm or larger and 200 μm or smaller, a closed cell content of the phenolic resin foam is 85% or higher and 99% or lower, and an absolute value of a dimensional charge rate of the phenolic resin foam after 70° C. for 48 hours is 0.49% or lower.