D21B1/025 - CPC Classification Index

ClassID:

126297 ⎘

D21B1/025 - CPC Classification

Classification description:

Fibrous raw materials or their mechanical treatment; Pretreatment of the raw materials by chemical or physical means Separating pith from fibrous vegetable materials

Recent Application in this class:

20250137199

2025-05-01

PURIFIED MEDICINAL CANNABIS NON-HEMP HURD FIBER, AND ARTICLES CONTAINING THE SAME

20240263393

2024-08-08

PROCESS OF USING NON-WOOD FIBERS TO CREATE PAPER PULP

20240011224

2024-01-11

PULP MOLD COMPRISING SEAWEED, AND PRODUCTION METHOD FOR SAME

20210148046

2021-05-20

Purified medicinal cannabis non-hemp hurd fiber, and articles containing the same

20200290055

2020-09-17

Corn stalk pretreatment apparatus and method for manufacturing pulp from corn stalks

20190264385

2019-08-29

Methods for preparing cannabis hurd fiber, purified cannabis hurd fiber, and articles containing the purified cannabis hurd fiber

20180311675

2018-11-01

Corn stalk pretreatment apparatus and method for manufacturing pulp from corn stalks

20140230395

2014-08-21

Corn stalk material, a method and apparatus for preparing it

20130276998

2013-10-24

PRETREATMENT APPARATUS FOR REMOVING PITH FROM CORNSTALK, PULP MANUFACTURING METHOD USING CORNSTALK, AND PAPER MANUFACTURING METHOD USING CORNSTALK PULP