SE462495B - Foerfarande foer beredning av en syraresistent belaeggning paa kalciumkarbonatpartiklar, partiklar framstaellda enligt foerfarandet samt anvaendning av partiklarna som fyllmedel - Google Patents

Foerfarande foer beredning av en syraresistent belaeggning paa kalciumkarbonatpartiklar, partiklar framstaellda enligt foerfarandet samt anvaendning av partiklarna som fyllmedel

Info

Publication number: SE462495B
Authority: SE; Sweden
Prior art keywords: solution; particles; calcium carbonate; pcc; procedure
Prior art date: 1988-07-22

Application number

SE8802708A

Other languages

English (en)

Swedish (sv)

Other versions

SE8802708L (sv

SE8802708D0 (sv

Inventor

M T Tokarz

S G Jaeraas

R Sikkar

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.)

1988-07-22

Filing date

1988-07-22

Publication date

1990-07-02

1988-07-22 Application filed by Eka Nobel Ab filed Critical Eka Nobel Ab

1988-07-22 Priority to SE8802708A priority Critical patent/SE462495B/sv

1988-07-22 Publication of SE8802708D0 publication Critical patent/SE8802708D0/xx

1989-06-29 Priority to AT89850222T priority patent/ATE89304T1/de

1989-06-29 Priority to EP89850222A priority patent/EP0356406B1/fr

1989-06-29 Priority to DE89850222T priority patent/DE68906485T2/de

1989-07-17 Priority to DK352789A priority patent/DK171952B1/da

1989-07-18 Priority to KR1019890010167A priority patent/KR940005835B1/ko

1989-07-18 Priority to BR898903533A priority patent/BR8903533A/pt

1989-07-18 Priority to CA000606021A priority patent/CA1319491C/fr

1989-07-19 Priority to FI893486A priority patent/FI95587C/fi

1989-07-20 Priority to US07/382,318 priority patent/US5000791A/en

1989-07-20 Priority to JP1186199A priority patent/JPH0688784B2/ja

1989-07-21 Priority to NO893005A priority patent/NO177230C/no

1989-07-21 Priority to PT91239A priority patent/PT91239B/pt

1990-01-23 Publication of SE8802708L publication Critical patent/SE8802708L/

1990-07-02 Publication of SE462495B publication Critical patent/SE462495B/sv

1990-10-25 Priority to US07/603,293 priority patent/US5037477A/en

Links

VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 65
239000002253 acid Substances 0.000 title claims abstract description 27
239000002245 particle Substances 0.000 title claims abstract description 24
239000011248 coating agent Substances 0.000 title claims abstract description 19
238000000034 method Methods 0.000 title claims abstract description 19
238000000576 coating method Methods 0.000 title claims abstract description 18
229910000019 calcium carbonate Inorganic materials 0.000 title claims abstract description 16
239000000945 filler Substances 0.000 title claims abstract description 16
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 30
239000002002 slurry Substances 0.000 claims abstract description 26
230000008569 process Effects 0.000 claims abstract description 11
239000000377 silicon dioxide Substances 0.000 claims abstract description 11
150000003752 zinc compounds Chemical class 0.000 claims abstract description 9
239000000126 substance Substances 0.000 claims abstract description 8
238000004519 manufacturing process Methods 0.000 claims abstract description 4
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 20
235000019353 potassium silicate Nutrition 0.000 claims description 18
JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 10
239000011592 zinc chloride Substances 0.000 claims description 7
235000005074 zinc chloride Nutrition 0.000 claims description 7
XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
150000001875 compounds Chemical class 0.000 claims description 3
239000011787 zinc oxide Substances 0.000 claims description 3
238000002360 preparation method Methods 0.000 abstract description 4
239000000243 solution Substances 0.000 description 42
229940088417 precipitated calcium carbonate Drugs 0.000 description 33
229940037003 alum Drugs 0.000 description 22
238000007792 addition Methods 0.000 description 14
239000011734 sodium Substances 0.000 description 13
229910052681 coesite Inorganic materials 0.000 description 11
229910052906 cristobalite Inorganic materials 0.000 description 11
229910052682 stishovite Inorganic materials 0.000 description 11
229910052905 tridymite Inorganic materials 0.000 description 11
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
239000011701 zinc Substances 0.000 description 7
238000003756 stirring Methods 0.000 description 6
229910004298 SiO 2 Inorganic materials 0.000 description 4
PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 4
230000004048 modification Effects 0.000 description 4
238000012986 modification Methods 0.000 description 4
229910052708 sodium Inorganic materials 0.000 description 4
238000006243 chemical reaction Methods 0.000 description 3
239000013078 crystal Substances 0.000 description 3
230000006872 improvement Effects 0.000 description 3
230000035484 reaction time Effects 0.000 description 3
235000012239 silicon dioxide Nutrition 0.000 description 3
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
230000002378 acidificating effect Effects 0.000 description 2
238000004026 adhesive bonding Methods 0.000 description 2
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
239000007864 aqueous solution Substances 0.000 description 2
238000001914 filtration Methods 0.000 description 2
239000013505 freshwater Substances 0.000 description 2
150000002500 ions Chemical class 0.000 description 2
239000011347 resin Substances 0.000 description 2
229920005989 resin Polymers 0.000 description 2
238000005406 washing Methods 0.000 description 2
BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
229920001131 Pulp (paper) Polymers 0.000 description 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
230000009471 action Effects 0.000 description 1
239000000654 additive Substances 0.000 description 1
AMVQGJHFDJVOOB-UHFFFAOYSA-H aluminium sulfate octadecahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O AMVQGJHFDJVOOB-UHFFFAOYSA-H 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
229910001424 calcium ion Inorganic materials 0.000 description 1
239000000378 calcium silicate Substances 0.000 description 1
229910052918 calcium silicate Inorganic materials 0.000 description 1
OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
150000001768 cations Chemical class 0.000 description 1
239000004927 clay Substances 0.000 description 1
239000008367 deionised water Substances 0.000 description 1
229910021641 deionized water Inorganic materials 0.000 description 1
238000001035 drying Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000011256 inorganic filler Substances 0.000 description 1
229910003475 inorganic filler Inorganic materials 0.000 description 1
230000003993 interaction Effects 0.000 description 1
239000000463 material Substances 0.000 description 1
229910052914 metal silicate Inorganic materials 0.000 description 1
150000001282 organosilanes Chemical class 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
238000010979 pH adjustment Methods 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
239000011241 protective layer Substances 0.000 description 1
239000013055 pulp slurry Substances 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000004513 sizing Methods 0.000 description 1
239000002904 solvent Substances 0.000 description 1
230000002195 synergetic effect Effects 0.000 description 1
230000001960 triggered effect Effects 0.000 description 1
229910052725 zinc Inorganic materials 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
- C09C1/022—Treatment with inorganic compounds
- C09C1/024—Coating
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
- C09C3/063—Coating
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/385—Oxides, hydroxides or carbonates
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
- C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
- C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Paper (AREA)
Pigments, Carbon Blacks, Or Wood Stains (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Glanulating (AREA)
Paints Or Removers (AREA)
Developing Agents For Electrophotography (AREA)
Liquid Crystal (AREA)
Medicinal Preparation (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Solid Fuels And Fuel-Associated Substances (AREA)

SE8802708A 1988-07-22 1988-07-22 Foerfarande foer beredning av en syraresistent belaeggning paa kalciumkarbonatpartiklar, partiklar framstaellda enligt foerfarandet samt anvaendning av partiklarna som fyllmedel SE462495B (sv)

Priority Applications (14)

Application Number	Priority Date	Filing Date	Title
SE8802708A SE462495B (sv)	1988-07-22	1988-07-22	Foerfarande foer beredning av en syraresistent belaeggning paa kalciumkarbonatpartiklar, partiklar framstaellda enligt foerfarandet samt anvaendning av partiklarna som fyllmedel
AT89850222T ATE89304T1 (de)	1988-07-22	1989-06-29	Verfahren zur herstellung von fuellstoffteilchen mit einer saeurebestaendigen beschichtung.
EP89850222A EP0356406B1 (fr)	1988-07-22	1989-06-29	Procédé de préparation de particules de matière de charge portant un revêtement résistant aux acides
DE89850222T DE68906485T2 (de)	1988-07-22	1989-06-29	Verfahren zur Herstellung von Füllstoffteilchen mit einer säurebeständigen Beschichtung.
DK352789A DK171952B1 (da)	1988-07-22	1989-07-17	Fremgangsmaade til fremstilling af en syreresistent belaegning paa calciumcarbonat-partikler partikler fremstillet ifolge fremgangsmaaden samt anvendelse af partiklerne som fyldstof
CA000606021A CA1319491C (fr)	1988-07-22	1989-07-18	Methode de preparation d'un revetement antiacide sur des particules utilisees comme charge
BR898903533A BR8903533A (pt)	1988-07-22	1989-07-18	Processo para a preparacao de revestimento resistente ao acido sobre particulas de carga,tais particulas e seu uso
KR1019890010167A KR940005835B1 (ko)	1988-07-22	1989-07-18	충전입자에 대한 내산성 피막 형성방법
FI893486A FI95587C (fi)	1988-07-22	1989-07-19	Menetelmä happoa kestävän päällysteen valmistamiseksi täyteainehiukkasille
US07/382,318 US5000791A (en)	1988-07-22	1989-07-20	Process for the preparation of an acid-resistant coating on filler particles
JP1186199A JPH0688784B2 (ja)	1988-07-22	1989-07-20	充填材粒子上の耐酸コーティングの製造方法
NO893005A NO177230C (no)	1988-07-22	1989-07-21	Fremgangsmåte ved fremstilling av et syrefast belegg på kalsiumkarbonatpartikler samt anvendelse av partiklene
PT91239A PT91239B (pt)	1988-07-22	1989-07-21	Processo de preparacao de um revestimento, resistentes aos acidos, sobre particulas de carga
US07/603,293 US5037477A (en)	1988-07-22	1990-10-25	Process for the preparation of an acid-resistant coating on filler particles

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8802708A SE462495B (sv)	1988-07-22	1988-07-22	Foerfarande foer beredning av en syraresistent belaeggning paa kalciumkarbonatpartiklar, partiklar framstaellda enligt foerfarandet samt anvaendning av partiklarna som fyllmedel

Publications (3)

Publication Number	Publication Date
SE8802708D0 SE8802708D0 (sv)	1988-07-22
SE8802708L SE8802708L (sv)	1990-01-23
SE462495B true SE462495B (sv)	1990-07-02

Family

ID=20372962

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8802708A SE462495B (sv)	1988-07-22	1988-07-22	Foerfarande foer beredning av en syraresistent belaeggning paa kalciumkarbonatpartiklar, partiklar framstaellda enligt foerfarandet samt anvaendning av partiklarna som fyllmedel

Country Status (13)

Country	Link
US (2)	US5000791A (fr)
EP (1)	EP0356406B1 (fr)
JP (1)	JPH0688784B2 (fr)
KR (1)	KR940005835B1 (fr)
AT (1)	ATE89304T1 (fr)
BR (1)	BR8903533A (fr)
CA (1)	CA1319491C (fr)
DE (1)	DE68906485T2 (fr)
DK (1)	DK171952B1 (fr)
FI (1)	FI95587C (fr)
NO (1)	NO177230C (fr)
PT (1)	PT91239B (fr)
SE (1)	SE462495B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5053647A (en) *	1989-07-17	1991-10-01	Fuji Photo Film Co., Ltd.	Programmable logic array having feedback flip-flops connected between a product array's inputs and its outputs
US5164006A (en) *	1991-04-08	1992-11-17	Ecc America Inc.	Method for preparing acid resistant calcium carbonate pigments
US5260041A (en) *	1992-12-21	1993-11-09	Fuller Company	Method for the calcination of limestone
US5380361A (en) *	1993-03-12	1995-01-10	Minerals Technologies, Inc.	Modified filler material for alkaline paper and method of use thereof in alkaline paper making
US5531821A (en) *	1995-08-24	1996-07-02	Ecc International Inc.	Surface modified calcium carbonate composition and uses therefor
US5599388A (en) *	1995-08-24	1997-02-04	Ecc International Inc.	Acid resistant calcium carbonate composition containing an aluminum salt, uses therefor and processes for its production
US5711799A (en) *	1996-03-13	1998-01-27	Ecc International Inc.	Acid tolerant calcium carbonate composition and uses therefor
US6083317A (en) *	1996-11-05	2000-07-04	Imerys Pigments, Inc.	Stabilized calcium carbonate composition using sodium silicate and one or more weak acids or alum and uses therefor
FI102199B1 (fi) *	1997-04-30	1998-10-30	Metsae Serla Oy	Menetelmä paperin päällystysaineen valmistamiseksi
US6136085A (en) *	1998-10-29	2000-10-24	Chemical Products Corporation	Silica-coated alkaline earth metal carbonate pigment
DE10007484C2 (de) *	2000-02-18	2001-12-13	Schoeller Felix Jun Foto	Schichtträger für Aufzeichnungsmaterialien
US6623555B1 (en) *	2000-06-01	2003-09-23	Jukka P. Haverinen	Composite precipitated calcium carbonate/silicon compound pigment and method of making same
CN100335567C (zh) *	2002-03-20	2007-09-05	新加坡纳米材料科技有限公司	CaCO3/SiO2·nH2O纳米复合颗粒和空心SiO2·nH2O纳米材料及其制备方法
US11534043B2 (en)	2011-03-04	2022-12-27	Omachron Intellectual Property Inc.	Surface cleaning apparatus
US12171393B2 (en)	2011-03-04	2024-12-24	Omachron Intellectual Property Inc.	Surface cleaning apparatus
CN106536822A (zh)	2014-07-11	2017-03-22	斯道拉恩索公司	增加纸或纸板中填料含量的方法
EP3498782B1 (fr)	2017-12-12	2020-09-16	Imertech Sas	Préparation de carbonates de calcium revêtus de silice avec zone de surface accrue et mésoporosité et des particules de silice creuses obtenues de celle-ci
CN112004449B (zh)	2018-05-01	2021-05-25	尚科宁家运营有限公司	用于机器人清洁器的对接站
US10952578B2 (en)	2018-07-20	2021-03-23	Sharkninja Operating Llc	Robotic cleaner debris removal docking station
KR102570924B1 (ko) *	2022-08-29	2023-08-28	한국전기연구원	스위치, 펄스 발생 장치 및 펄스 제어 장치의 제어 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2259481A (en) *	1939-04-24	1941-10-21	Glidden Co	Treated pigments and method of making
US2269470A (en) *	1939-07-27	1942-01-13	Glidden Co	Process of treating pigments
US3704158A (en) *	1969-12-04	1972-11-28	George Alexander Rohan	Treatment of powdered chalk
GB1295264A (fr) *	1969-12-04	1972-11-08
GB1347071A (en) *	1971-07-01	1974-02-13	Starch Products Ltd	Paper fillers
US4167423A (en) *	1975-04-14	1979-09-11	Union Carbide Corporation	Silane reactive mineral fillers
JPS5438076A (en) *	1977-08-29	1979-03-22	Nippon Shisutemu Sougiyou Kk	Device of properly arranging packing bag on pallet
JPS555548A (en) *	1978-06-28	1980-01-16	Matsushita Electric Ind Co Ltd	Signal control circuit
DE3014263A1 (de) *	1980-04-14	1981-10-15	Paul 7032 Sindelfingen Merkle	Elektronischer bcd-zaehler im 8421-code

1988
- 1988-07-22 SE SE8802708A patent/SE462495B/sv not_active IP Right Cessation
1989
- 1989-06-29 DE DE89850222T patent/DE68906485T2/de not_active Expired - Fee Related
- 1989-06-29 EP EP89850222A patent/EP0356406B1/fr not_active Expired - Lifetime
- 1989-06-29 AT AT89850222T patent/ATE89304T1/de not_active IP Right Cessation
- 1989-07-17 DK DK352789A patent/DK171952B1/da not_active IP Right Cessation
- 1989-07-18 BR BR898903533A patent/BR8903533A/pt not_active IP Right Cessation
- 1989-07-18 KR KR1019890010167A patent/KR940005835B1/ko not_active Expired - Fee Related
- 1989-07-18 CA CA000606021A patent/CA1319491C/fr not_active Expired - Fee Related
- 1989-07-19 FI FI893486A patent/FI95587C/fi not_active IP Right Cessation
- 1989-07-20 JP JP1186199A patent/JPH0688784B2/ja not_active Expired - Lifetime
- 1989-07-20 US US07/382,318 patent/US5000791A/en not_active Expired - Lifetime
- 1989-07-21 PT PT91239A patent/PT91239B/pt not_active IP Right Cessation
- 1989-07-21 NO NO893005A patent/NO177230C/no not_active IP Right Cessation
1990
- 1990-10-25 US US07/603,293 patent/US5037477A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US5037477A (en)	1991-08-06
JPH0269317A (ja)	1990-03-08
FI893486L (fi)	1990-01-23
DK171952B1 (da)	1997-08-25
NO177230C (no)	1995-08-09
FI893486A0 (fi)	1989-07-19
EP0356406B1 (fr)	1993-05-12
DK352789D0 (da)	1989-07-17
KR900001801A (ko)	1990-02-27
NO177230B (no)	1995-05-02
BR8903533A (pt)	1990-03-13
CA1319491C (fr)	1993-06-29
DK352789A (da)	1990-01-23
US5000791A (en)	1991-03-19
KR940005835B1 (ko)	1994-06-24
NO893005D0 (no)	1989-07-21
JPH0688784B2 (ja)	1994-11-09
PT91239A (pt)	1990-02-08
NO893005L (no)	1990-01-23
ATE89304T1 (de)	1993-05-15
SE8802708L (sv)	1990-01-23
DE68906485T2 (de)	1993-10-14
DE68906485D1 (de)	1993-06-17
EP0356406A1 (fr)	1990-02-28
FI95587B (fi)	1995-11-15
SE8802708D0 (sv)	1988-07-22
PT91239B (pt)	1995-03-01
FI95587C (fi)	1996-02-26

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