NO168843C - Fremgangsmaate for aa nedsette mengden av fritt formaldehydved fremstilling av papir, samt middel for anvendelse av fremgangsmaaten - Google Patents

Fremgangsmaate for aa nedsette mengden av fritt formaldehydved fremstilling av papir, samt middel for anvendelse av fremgangsmaaten

Info

Publication number: NO168843C
Authority: NO; Norway
Prior art keywords: procedure; headwork; reduce; manufacturing paper; sulphite
Prior art date: 1985-02-15

Application number

NO860558A

Other languages

English (en)

Norwegian (no)

Other versions

NO168843B (no

NO860558L (no

Inventor

Ulla Helmer

Original Assignee

Eka 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

1992-04-08

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

238000004519 manufacturing process Methods 0.000 title abstract 3
238000000034 method Methods 0.000 title abstract 3
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 NO860558L (no)	1986-08-18
NO168843B NO168843B (no)	1991-12-30
NO168843C true 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 (de)
AT (1)	ATE57965T1 (de)
DE (1)	DE3675231D1 (de)
ES (1)	ES8801401A1 (de)
FI (1)	FI84635C (de)
NO (1)	NO168843C (de)
SE (1)	SE8500715L (de)

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 DE DE8686850039T patent/DE3675231D1/de not_active Expired - Fee Related
- 1986-02-07 EP EP86850039A patent/EP0192623B1/de not_active Expired - Lifetime
- 1986-02-07 AT AT86850039T patent/ATE57965T1/de not_active IP Right Cessation
- 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
EP0192623B1 (de)	1990-10-31
FI860650L (fi)	1986-08-16
ES552021A0 (es)	1987-12-16
ATE57965T1 (de)	1990-11-15
FI84635B (fi)	1991-09-13
ES8801401A1 (es)	1987-12-16
EP0192623A1 (de)	1986-08-27
DE3675231D1 (de)	1990-12-06
NO168843B (no)	1991-12-30
FI860650A0 (fi)	1986-02-12
NO860558L (no)	1986-08-18
SE8500715D0 (sv)	1985-02-15
FI84635C (fi)	1993-07-28
SE8500715L (sv)	1986-08-16

Similar Documents

Publication	Publication Date	Title
SE8003948L (sv)	1981-11-29	Forfarande for papperstillverkning
ES8401849A1 (es)	1984-01-01	"un procedimiento para preparar una solucion oftalmica anti-inflamatoria a base de un derivado del acido propionico y una ciclodextrina".
DE68915542D1 (de)	1994-06-30	Wasserhalt- und drainagemittel bei der papierherstellung.
FI880918A7 (fi)	1988-08-28	Hiilidioksidin käyttö selluloosamassan pH-arvon säätämiseksi.
FI874292A0 (fi)	1987-09-30	Foerfarande foer framstaellning av borsyrasuspensioner.
SE8700058D0 (sv)	1987-01-09	Papperstillverkning
ES537312A0 (es)	1985-12-16	Procedimiento para la desintegracion de derivados de s-triacin en soluciones acuosas
FI862646L (fi)	1986-06-19	Hydrofoberingsmedel foer cellulosafibrer, saett att framstaella detta medel samt anvaendningen av medlet foer maeldhydrofobering.
ATE73184T1 (de)	1992-03-15	Papierherstellungsverfahren.
NO168843C (no)	1992-04-08	Fremgangsmaate for aa nedsette mengden av fritt formaldehydved fremstilling av papir, samt middel for anvendelse av fremgangsmaaten
BR8505582A (pt)	1986-08-12	Processo para a preparacao de benzotiazolsulfenamidas
DK267586D0 (da)	1986-06-06	Dyrestroeelse samt fremgangsmaade til fremstilling heraf
DE3667806D1 (de)	1990-02-01	Waessrige, alkalische, silikathaltige zusammensetzung zum bleichen von cellulosehaltigen fasermaterialien in gegenwart von perverbindungen.
BR8900259A (pt)	1989-09-19	Processo para fabricacao de celulose semialvejada,tipo"kraft"
KR830006286A (ko)	1983-09-20	빈카민 사카리내이트의 제조방법
SE8802522L (sv)	1989-01-08	Foerfarande foer saenkning av karbamathalten i produkter som tillverkats av cellulosakarbamat, samt produkter som tillverkats enligt foerfarandet
ATE53202T1 (de)	1990-06-15	Verfahren zur herstellung einer waesserigen loesung vom natriumsalz des methionins.
KR890000214A (ko)	1989-03-13	목재의 착색방법
DK561481A (da)	1982-06-21	Fremgangsmaade til fremstilling af en anionbytter samt anvendelse heraf
DE59006292D1 (de)	1994-08-04	Wässrige Lösungen von Natriumsalzen des Trimercapto-s-triazins, deren Herstellung und Verwendung.
ATE51632T1 (de)	1990-04-15	Lagerstabile konzentrierte waessrige loesungen von melamin-formaldehydkondensaten, verfahren zu deren herstellung, sowie deren verwendung.
ES497657A0 (es)	1982-02-16	Un procedimiento para la preparacion de una solucion acuosa inyectable de sales de metales alcalinas de acido canrenoicoy de furosemida.
SE8500177D0 (sv)	1985-01-15	Sett vid framstellning av kolbelagt fibermaterial
GB539331A (en)	1941-09-05	Improvements in or relating to composite board material
KR880003665A (ko)	1988-05-28	고령토로부터 탈색제의 제조방법

Legal Events

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