PT74089A - Procede pour la fabrication de pate papetiere chimique et pate ainsi obtenue - Google Patents

Procede pour la fabrication de pate papetiere chimique et pate ainsi obtenue

Info

Publication number: PT74089A
Authority: PT; Portugal
Prior art keywords: stage; boiling; pref; chips; chemical pulp
Prior art date: 1981-12-04

Application number

PT7408981A

Other languages

English (en)

Portuguese (pt)

Other versions

PT74089B (fr

Original Assignee

Ugine Kuhlmann

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.)

1981-12-04

Filing date

1981-12-04

Publication date

1982-01-01

1981-12-04 Application filed by Ugine Kuhlmann filed Critical Ugine Kuhlmann

1981-12-04 Priority to PT7408981A priority Critical patent/PT74089B/fr

1982-01-01 Publication of PT74089A publication Critical patent/PT74089A/fr

1983-05-11 Publication of PT74089B publication Critical patent/PT74089B/fr

Links

238000009835 boiling Methods 0.000 title abstract 3
229920001131 Pulp (paper) Polymers 0.000 title abstract 2
239000000835 fiber Substances 0.000 title 1
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
239000003513 alkali Substances 0.000 abstract 2
239000011122 softwood Substances 0.000 abstract 2
PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 abstract 1
150000004056 anthraquinones Chemical class 0.000 abstract 1
238000004061 bleaching Methods 0.000 abstract 1
238000010411 cooking Methods 0.000 abstract 1
239000011121 hardwood Substances 0.000 abstract 1
229920005610 lignin Polymers 0.000 abstract 1
239000000463 material Substances 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
150000002978 peroxides Chemical class 0.000 abstract 1
239000002023 wood Substances 0.000 abstract 1

Landscapes

Paper (AREA)

PT7408981A 1981-12-04 1981-12-04 Procede pour la fabrication de pate papetiere chimique et pate ainsi obtenue PT74089B (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
PT7408981A PT74089B (fr)	1981-12-04	1981-12-04	Procede pour la fabrication de pate papetiere chimique et pate ainsi obtenue

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PT7408981A PT74089B (fr)	1981-12-04	1981-12-04	Procede pour la fabrication de pate papetiere chimique et pate ainsi obtenue

Publications (2)

Publication Number	Publication Date
PT74089A true PT74089A (fr)	1982-01-01
PT74089B PT74089B (fr)	1983-05-11

Family

ID=20083035

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PT7408981A PT74089B (fr)	1981-12-04	1981-12-04	Procede pour la fabrication de pate papetiere chimique et pate ainsi obtenue

Country Status (1)

Country	Link
PT (1)	PT74089B (fr)

1981
- 1981-12-04 PT PT7408981A patent/PT74089B/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
PT74089B (fr)	1983-05-11

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Legal Events

Date

Code

Title

Description

1995-05-04

MM3A

Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19941130