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. 05, 1992
Filed:
Sep. 26, 1990
Naohiko Tsujimoto, Tokyo, JP;
Masaru Yamakoshi, Tokyo, JP;
Toshimitsu Kudo, Tokyo, JP;
Yukiko Horiuchi, Tokyo, JP;
Jiro Shimizu, Tokyo, JP;
Oji Paper Co., Ltd., Tokyo, JP;
Abstract
A lignosellulose-phenolic compound composite product having a weight ratio of the lignocellulose material to the phenolic compound of 0.4/1.0 to 5.0/1.0 is prepared by heat-dissolving the lignocellulose material in a solvent comprising, as a main component, at least one phenolic compound, optionally in the presence of a dissolving acid catalyst, and then adjusting the amount of the phenolic compound to a level of 1/0.4 to 1/5.0 of the weight of the lignocellulose material, in which heat-dissolving step water generated, as a by-product, from the reaction of the lignocellulose material with the phenolic compound is preferably eliminated, to allow the temperature of the reaction system to rise and thus promote the heat-dissolving reaction.