NO860558L - Fremgangsmaate ved fremstilling av papir. - Google Patents

Fremgangsmaate ved fremstilling av papir.

Info

Publication number: NO860558L
Authority: NO; Norway
Prior art keywords: sulphite; procedure; paper making; paper; production
Prior art date: 1985-02-15

Application number

NO860558A

Other languages

English (en)

Other versions

NO168843C (no

NO168843B (no

Inventor

Ulla Karin Elisabet Helmer

Original Assignee

Casco Nobel Ab

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.)

1985-02-15

Filing date

1986-02-14

Publication date

1986-08-18

1986-02-14 Application filed by Casco Nobel Ab filed Critical Casco Nobel Ab

1986-08-18 Publication of NO860558L publication Critical patent/NO860558L/no

1991-12-30 Publication of NO168843B publication Critical patent/NO168843B/no

1992-04-08 Publication of NO168843C publication Critical patent/NO168843C/no

Links

238000000034 method Methods 0.000 title abstract 2
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 3
229940037003 alum Drugs 0.000 abstract 2
125000002091 cationic group Chemical group 0.000 abstract 2
239000003795 chemical substances by application Substances 0.000 abstract 2
230000014759 maintenance of location Effects 0.000 abstract 2
GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 abstract 2
DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 abstract 1
239000006096 absorbing agent Substances 0.000 abstract 1
150000001299 aldehydes Chemical class 0.000 abstract 1
239000007864 aqueous solution Substances 0.000 abstract 1
235000010267 sodium hydrogen sulphite Nutrition 0.000 abstract 1
239000004289 sodium hydrogen sulphite Substances 0.000 abstract 1
235000010265 sodium sulphite Nutrition 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums

Landscapes

Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Paper (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Golf Clubs (AREA)
Toys (AREA)
Luminescent Compositions (AREA)
Steroid Compounds (AREA)
Diaphragms For Electromechanical Transducers (AREA)
Making Paper Articles (AREA)

NO860558A 1985-02-15 1986-02-14 Fremgangsmaate for aa nedsette mengden av fritt formaldehydved fremstilling av papir, samt middel for anvendelse av fremgangsmaaten NO168843C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8500715A SE8500715L (sv)	1985-02-15	1985-02-15	Sett vid pappersframstellning

Publications (3)

Publication Number	Publication Date
NO860558L true NO860558L (no)	1986-08-18
NO168843B NO168843B (no)	1991-12-30
NO168843C NO168843C (no)	1992-04-08

Family

ID=20359131

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO860558A NO168843C (no)	1985-02-15	1986-02-14	Fremgangsmaate for aa nedsette mengden av fritt formaldehydved fremstilling av papir, samt middel for anvendelse av fremgangsmaaten

Country Status (7)

Country	Link
EP (1)	EP0192623B1 (no)
AT (1)	ATE57965T1 (no)
DE (1)	DE3675231D1 (no)
ES (1)	ES8801401A1 (no)
FI (1)	FI84635C (no)
NO (1)	NO168843C (no)
SE (1)	SE8500715L (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5326479A (en) *	1993-09-01	1994-07-05	Nalco Chemical Company	Treatment of pulp and paper wastewater with reducing agent and a polymer for color removal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT947732B (it) *	1971-02-27	1973-05-30	Asahi Chemical Ind	Processo per il trattamento delle aldeidi
FR2306944A1 (fr) *	1975-04-09	1976-11-05	Speichim	Procede de traitement d'eaux residuaires formophenoliques
US4409375A (en) *	1982-02-11	1983-10-11	Champion International Corporation	Method for scavenging aldehydes
DE3222195A1 (de) *	1982-06-12	1983-12-15	Basf Ag, 6700 Ludwigshafen	Verfahren zur herstellung von spanholzwerkstoffen mit verringerter formaldehydemission

1985
- 1985-02-15 SE SE8500715A patent/SE8500715L/ not_active Application Discontinuation
1986
- 1986-02-07 AT AT86850039T patent/ATE57965T1/de not_active IP Right Cessation
- 1986-02-07 DE DE8686850039T patent/DE3675231D1/de not_active Expired - Fee Related
- 1986-02-07 EP EP86850039A patent/EP0192623B1/en not_active Expired - Lifetime
- 1986-02-12 FI FI860650A patent/FI84635C/fi not_active IP Right Cessation
- 1986-02-14 NO NO860558A patent/NO168843C/no not_active IP Right Cessation
- 1986-02-14 ES ES552021A patent/ES8801401A1/es not_active Expired

Also Published As

Publication number	Publication date
NO168843C (no)	1992-04-08
FI860650A0 (fi)	1986-02-12
SE8500715D0 (sv)	1985-02-15
EP0192623B1 (en)	1990-10-31
EP0192623A1 (en)	1986-08-27
DE3675231D1 (de)	1990-12-06
FI860650L (fi)	1986-08-16
FI84635B (fi)	1991-09-13
ES8801401A1 (es)	1987-12-16
FI84635C (fi)	1993-07-28
ATE57965T1 (de)	1990-11-15
ES552021A0 (es)	1987-12-16
SE8500715L (sv)	1986-08-16
NO168843B (no)	1991-12-30

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Legal Events

Date	Code	Title	Description
2002-09-30	MM1K	Lapsed by not paying the annual fees	Free format text: LAPSED IN AUGUST 2002