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:
Jul. 19, 2022
Filed:
Apr. 10, 2019
Applicant:
Rinnovation Co., Ltd., Tokyo, JP;
Inventor:
Naoto Yamamoto, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D03D 15/65 (2021.01); D02G 3/08 (2006.01); D21F 11/16 (2006.01); D21H 11/12 (2006.01); D03D 15/217 (2021.01);
U.S. Cl.
CPC ...
D03D 15/65 (2021.01); D02G 3/08 (2013.01); D03D 15/217 (2021.01); D21F 11/16 (2013.01); D21H 11/12 (2013.01);
Abstract
Articles are prepared from paper containing different types of fibers. In a granulation step, bagasse is pulverized to produce a sugar cane pulp powder of granules. In a pulping process, pulp is produced from Manila hemp. In a mixing step, sugar cane pulp powder, and the pulp produced in preceding steps, are mixed. In the papermaking process, Japanese washi paper is produced by using a mixture of pulp powder and pulp. In a slitting process, the produced Japanese washi paper is slit. In a twisting process, the slit Japanese washi paper yarn is twisted to produce a paper yarn.