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:
Aug. 13, 2002
Filed:
Nov. 19, 1999
Applicant:
Inventors:
Nobuyuki Yokota, Yokohama, JP;
Shunji Hayashi, Shizuoka, JP;
Masaki Kageyama, Shizuoka, JP;
Natsuko Tomioka, Shizuoka, JP;
Assignee:
Other;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 2/714 ; B32B 3/00 ;
U.S. Cl.
CPC ...
B32B 2/714 ; B32B 3/00 ;
Abstract
A recording sheet which comprises a substrate and a porous layer containing alumina or an alumina hydrate formed on the substrate, wherein the substrate is made of fibers for paper and a filler, and the content of the filler in the substrate is from 10 to 60 wt % to the total weight of the substrate.