ES472184A1 - Procedimiento de fabricacion de pastas papeleras quimicas - Google Patents

Procedimiento de fabricacion de pastas papeleras quimicas

Info

Publication number: ES472184A1
Authority: ES; Spain
Prior art keywords: manufacturing procedure; paper manufacturing; chemical paper; sodium hydroxide; oxygen
Prior art date: 1977-07-29
Legal status (The legal status 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 status listed.): Expired

Application number

ES472184A

Other languages

English (en)

Spanish (es)

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Produits Chimiques Ugine Kuhlmann

Pechiney SA

Original Assignee

Produits Chimiques Ugine Kuhlmann

Ugine Kuhlmann SA

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.)

1977-07-29

Filing date

1978-07-28

Publication date

1979-02-16

1977-07-29 Priority claimed from FR7724131A external-priority patent/FR2398839A1/fr

1978-07-05 Priority claimed from FR7820715A external-priority patent/FR2430475A2/fr

1978-07-28 Application filed by Produits Chimiques Ugine Kuhlmann, Ugine Kuhlmann SA filed Critical Produits Chimiques Ugine Kuhlmann

1979-02-16 Publication of ES472184A1 publication Critical patent/ES472184A1/es

Status Expired legal-status Critical Current

Links

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
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes

Landscapes

Paper (AREA)
Materials For Medical Uses (AREA)

ES472184A 1977-07-29 1978-07-28 Procedimiento de fabricacion de pastas papeleras quimicas Expired ES472184A1 (es)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR7724131A FR2398839A1 (fr)	1977-07-29	1977-07-29	Procede de fabrication de pates papetieres chimiques
FR7820715A FR2430475A2 (fr)	1978-07-05	1978-07-05	Procede de fabrication de pates papetieres chimiques

Publications (1)

Publication Number	Publication Date
ES472184A1 true ES472184A1 (es)	1979-02-16

Family

ID=26220161

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES472184A Expired ES472184A1 (es)	1977-07-29	1978-07-28	Procedimiento de fabricacion de pastas papeleras quimicas

Country Status (10)

Country	Link
AT (1)	AT371860B (de)
BE (1)	BE869153A (de)
CA (1)	CA1128260A (de)
CH (1)	CH634362A5 (de)
DE (1)	DE2833115C3 (de)
ES (1)	ES472184A1 (de)
FI (1)	FI70440C (de)
IT (1)	IT1160561B (de)
NO (1)	NO151975C (de)
SE (1)	SE439172B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2493365A1 (fr) *	1980-11-06	1982-05-07	Tech Ind Papiers Carton Centre	Procede pour la fabrication de pate papetiere chimique et pate ainsi obtenue
IT202000019033A1 (it) *	2020-08-03	2022-02-03	Davide Bertinazzo	Metodo per ottenere un precursore di un materiale ibrido legno-inorganico e metodo per ottenere un materiale ibrido legno-inorganico

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA895756A (en) *	1970-04-03	1972-03-21	Macmillan Bloedel Limited	Two-stage soda-oxygen pulping
DE2327900C3 (de) *	1973-06-01	1985-02-07	Degussa Ag, 6000 Frankfurt	Bleichaufschluß von Zellstoff mit erheblich reduziertem Chloreinsatz
CA1073161A (en) *	1975-09-05	1980-03-11	Canadian Industries Limited	Delignification process

1978
- 1978-07-20 BE BE189399A patent/BE869153A/xx not_active IP Right Cessation
- 1978-07-26 NO NO78782573A patent/NO151975C/no unknown
- 1978-07-27 FI FI782342A patent/FI70440C/fi not_active IP Right Cessation
- 1978-07-27 SE SE7808202A patent/SE439172B/sv not_active IP Right Cessation
- 1978-07-27 AT AT0546578A patent/AT371860B/de not_active IP Right Cessation
- 1978-07-27 CA CA308,295A patent/CA1128260A/fr not_active Expired
- 1978-07-28 DE DE2833115A patent/DE2833115C3/de not_active Expired
- 1978-07-28 IT IT68812/78A patent/IT1160561B/it active
- 1978-07-28 ES ES472184A patent/ES472184A1/es not_active Expired
- 1978-07-28 CH CH815678A patent/CH634362A5/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE2833115C3 (de)	1986-04-17
SE7808202L (sv)	1979-01-30
DE2833115B2 (de)	1980-07-03
CA1128260A (fr)	1982-07-27
NO782573L (no)	1979-01-30
NO151975B (no)	1985-04-01
CH634362A5 (en)	1983-01-31
DE2833115A1 (de)	1979-02-08
ATA546578A (de)	1982-12-15
NO151975C (no)	1985-07-10
IT7868812A0 (it)	1978-07-28
AT371860B (de)	1983-08-10
IT1160561B (it)	1987-03-11
FI70440C (fi)	1986-09-19
SE439172B (sv)	1985-06-03
FI782342A7 (fi)	1979-01-30
BE869153A (fr)	1979-01-22
FI70440B (fi)	1986-03-27

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FR2435457B1 (de)	1981-01-30

Legal Events

Date	Code	Title	Description
1998-03-16	FD1A	Patent lapsed	Effective date: 19980202