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. 12, 1999
Filed:
Nov. 07, 1995
Yoshihiro Kuroyama, Shinjuku-ku, JP;
Teiichi Ohtani, Shinjuku-ku, JP;
Shoichi Endo, Shinjuku-ku, JP;
Nippon Paper Industries Co., Ltd., Tokyo, JP;
Abstract
Provided are a recording paper comprising a support paper coated on one side with a recording layer and a method of preparing the same: with the recording layer comprising 60-95 weight % of a pigment and 40-5 weight % of a water base binder and having a thickness of from 3 to 30 .mu.m; wherein the surface roughness by ten point height on the recording layer surface is from 1 .mu.m to 4 .mu.m, the specular glossiness the recording layer surface at 75 degrees according to JIS P8142 is from 70% to 100%, and the part extending to the depth of at least 3 .mu.m below the top surface has a hole distribution curve having at least peak showing an average pore diameter within the range of 0.1 to 1.0 .mu.m and a height ranging from 0.1 to 1.0 ml/g with respect to pore volume when measured with a porosimeter of mercury intrusion type.