PH13234A - Nitric acid pulping process - Google Patents

Nitric acid pulping process

Info

Publication number: PH13234A
Authority: PH; Philippines
Prior art keywords: nitric acid; pulping process; acid pulping; nitric; pulping
Prior art date: 1971-04-09

Application number

PH13421A

Inventor

H Valter

C Anderson

Original Assignee

Kilborn Eng Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1971-04-09

Filing date

1972-04-07

Publication date

1980-02-14

1972-04-07 Application filed by Kilborn Eng Ltd filed Critical Kilborn Eng Ltd

1980-02-14 Publication of PH13234A publication Critical patent/PH13234A/en

Links

GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title 1
238000000034 method Methods 0.000 title 1
229910017604 nitric acid Inorganic materials 0.000 title 1
238000004537 pulping Methods 0.000 title 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/16—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides nitrogen oxides; nitric acid nitrates, nitrites

PH13421A 1971-04-09 1972-04-07 Nitric acid pulping process PH13234A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US13290871A	1971-04-09	1971-04-09

Publications (1)

Publication Number	Publication Date
PH13234A true PH13234A (en)	1980-02-14

Family

ID=22456120

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PH13421A PH13234A (en)	1971-04-09	1972-04-07	Nitric acid pulping process

Country Status (5)

Country	Link
JP (1)	JPS5822597B1 (en)
DE (1)	DE2215739C2 (en)
FR (1)	FR2136259A5 (en)
GB (1)	GB1366252A (en)
PH (1)	PH13234A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2004106624A1 (en) *	2003-06-03	2004-12-09	Pacific Pulp Resources Inc.	Method for producing pulp and lignin
ATE553246T1 (en) *	2005-12-07	2012-04-15	Kelly Anthony O'flynn	NEW CATALYTIC REACTOR TO PRODUCE COMMERCIAL GRADE PULP, NATIVE LIGNIN AND SINGLE CELL PROTEIN

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE681149C (en) *	1936-04-24	1939-09-18	I G Farbenindustrie Akt Ges	Process for the production of pulp
US3461028A (en) *	1968-02-01	1969-08-12	Alscope Ltd	Process for making pulp by impregnating cellulosic materials with ammonium hydroxide and nitric acid

1972
- 1972-03-30 DE DE19722215739 patent/DE2215739C2/en not_active Expired
- 1972-04-05 GB GB1578072A patent/GB1366252A/en not_active Expired
- 1972-04-07 PH PH13421A patent/PH13234A/en unknown
- 1972-04-07 FR FR7212285A patent/FR2136259A5/fr not_active Expired
- 1972-04-10 JP JP47035265A patent/JPS5822597B1/ja active Granted

Also Published As

Publication number	Publication date
GB1366252A (en)	1974-09-11
DE2215739C2 (en)	1985-05-15
JPS5822597B1 (en)	1983-05-10
DE2215739A1 (en)	1972-10-26
FR2136259A5 (en)	1972-12-22

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