- Patent Title: Method for the production of paper, carton, or cardboard using baobab tree bark bast fibers, baobab fruit fibers, and/or natal fig bast fibers as paper raw material
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Application No.: US16462612Application Date: 2017-11-20
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Publication No.: US10968568B2Publication Date: 2021-04-06
- Inventor: Lambert Dustin Dinzinger
- Applicant: HOPE TREE INTERNATIONAL GMBH
- Applicant Address: DE Geretsried
- Assignee: HOPE TREE INTERNATIONAL GMBH
- Current Assignee: HOPE TREE INTERNATIONAL GMBH
- Current Assignee Address: DE Geretsried
- Agent Stacey J. Farmer
- Priority: DE102016222952.4 20161121
- International Application: PCT/EP2017/079806 WO 20171120
- International Announcement: WO2018/091711 WO 20180524
- Main IPC: D21H11/12
- IPC: D21H11/12 ; D21C5/00 ; D21H11/14 ; D21H15/10 ; D21H17/28 ; D21H17/60 ; D21H19/38 ; D21H21/28 ; D21H27/00 ; D21H27/10 ; D21J3/00

Abstract:
The invention relates to a method for the production of paper, carton, or cardboard using baobab tree bast fibers, baobab fruit fibers, and/or Natal fig fibers as paper raw material, comprising the steps of: obtaining baobab fruit fiber and/or baobab tree bast fiber as baobab raw material and/or Natal fig bast fiber as Natal fig raw material; fraying the baobab raw material and/or Natal fig raw material while adding water; heating and preferably bleaching the obtained fiber pulp; applying the fiber pulp to a sieving means comprising removing a portion of the added water in order to produce a paper fiber fleece; pressing the obtained paper fiber fleece; and drying the obtained paper fiber fleece. The invention further relates to paper, cardboard, or carton obtainable by a method of the invention, and their use for the production of natural paper, papier mâché, art paper, hygienic paper, tissue paper, graphic papers, paper, carton, or cardboard for packaging purposes, or paper for specialized technical purposes.
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