SE465815B - Foerfarande foer impregnering av trae med alkalilignin - Google Patents
Foerfarande foer impregnering av trae med alkaliligninInfo
- Publication number
- SE465815B SE465815B SE8501687A SE8501687A SE465815B SE 465815 B SE465815 B SE 465815B SE 8501687 A SE8501687 A SE 8501687A SE 8501687 A SE8501687 A SE 8501687A SE 465815 B SE465815 B SE 465815B
- Authority
- SE
- Sweden
- Prior art keywords
- lignin
- wood
- salt
- water
- copper
- Prior art date
Links
- 239000002023 wood Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 22
- 229920005610 lignin Polymers 0.000 claims abstract description 48
- 238000005470 impregnation Methods 0.000 claims abstract description 22
- 239000007864 aqueous solution Substances 0.000 claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000003513 alkali Substances 0.000 claims abstract description 5
- 241000894006 Bacteria Species 0.000 claims abstract description 4
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 4
- 230000002378 acidificating effect Effects 0.000 claims abstract description 3
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 150000001879 copper Chemical class 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 150000003863 ammonium salts Chemical class 0.000 claims description 2
- 241000607479 Yersinia pestis Species 0.000 claims 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 159000000000 sodium salts Chemical class 0.000 claims 1
- 238000006277 sulfonation reaction Methods 0.000 claims 1
- 150000003751 zinc Chemical class 0.000 claims 1
- 241000233866 Fungi Species 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 5
- 235000011613 Pinus brutia Nutrition 0.000 description 5
- 241000018646 Pinus brutia Species 0.000 description 5
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002386 leaching Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 229910021653 sulphate ion Inorganic materials 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011122 softwood Substances 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003295 industrial effluent Substances 0.000 description 1
- 239000012633 leachable Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000010875 treated wood Substances 0.000 description 1
- 239000010876 untreated wood Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0278—Processes; Apparatus involving an additional treatment during or after impregnation
- B27K3/0292—Processes; Apparatus involving an additional treatment during or after impregnation for improving fixation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/20—Compounds of alkali metals or ammonium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/22—Compounds of zinc or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/26—Compounds of iron, aluminium, or chromium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/38—Aromatic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/001—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/04—Combined bleaching or impregnating and drying of wood
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/907—Resistant against plant or animal attack
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/4935—Impregnated naturally solid product [e.g., leather, stone, etc.]
- Y10T428/662—Wood timber product [e.g., piling, post, veneer, etc.]
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Cultivation Of Plants (AREA)
- Hydroponics (AREA)
- Magnetic Heads (AREA)
- Pyrane Compounds (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8501687A SE465815B (sv) | 1985-04-04 | 1985-04-04 | Foerfarande foer impregnering av trae med alkalilignin |
| DE8686850112T DE3683075D1 (de) | 1985-04-04 | 1986-04-01 | Verfahren zur impraegnierung von holz. |
| EP19860850112 EP0197908B1 (de) | 1985-04-04 | 1986-04-01 | Verfahren zur Imprägnierung von Holz |
| AT86850112T ATE70763T1 (de) | 1985-04-04 | 1986-04-01 | Verfahren zur impraegnierung von holz. |
| FI861418A FI82406C (fi) | 1985-04-04 | 1986-04-02 | Foerfarande foer impregnering av trae. |
| CA000505609A CA1256331A (en) | 1985-04-04 | 1986-04-02 | Method for the impregnation of wood |
| NO861305A NO169430C (no) | 1985-04-04 | 1986-04-03 | Fremgangsmaate ved impregnering av tre |
| JP7808186A JPH0661723B2 (ja) | 1985-04-04 | 1986-04-04 | 木材含浸方法 |
| US06/848,205 US4752509A (en) | 1985-04-04 | 1986-04-04 | Method for the impregnation of wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8501687A SE465815B (sv) | 1985-04-04 | 1985-04-04 | Foerfarande foer impregnering av trae med alkalilignin |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8501687D0 SE8501687D0 (sv) | 1985-04-04 |
| SE8501687L SE8501687L (sv) | 1986-10-05 |
| SE465815B true SE465815B (sv) | 1991-11-04 |
Family
ID=20359770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8501687A SE465815B (sv) | 1985-04-04 | 1985-04-04 | Foerfarande foer impregnering av trae med alkalilignin |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4752509A (de) |
| EP (1) | EP0197908B1 (de) |
| JP (1) | JPH0661723B2 (de) |
| AT (1) | ATE70763T1 (de) |
| CA (1) | CA1256331A (de) |
| DE (1) | DE3683075D1 (de) |
| FI (1) | FI82406C (de) |
| NO (1) | NO169430C (de) |
| SE (1) | SE465815B (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4973501A (en) * | 1989-05-09 | 1990-11-27 | Rhone-Poulenc Inc. | Lanthanide impregnated wood composition and method for permanently depositing water insoluble lanthanide derivatives into wood materials |
| US4988576A (en) * | 1989-12-13 | 1991-01-29 | Daishowa Chemicals Inc. | Wood preservative |
| US5246739A (en) * | 1992-01-24 | 1993-09-21 | Lignotech Usa, Inc. | Method for the treatment of wood with metal-lignin salts |
| JP3320307B2 (ja) | 1996-06-06 | 2002-09-03 | 株式会社エス・ディー・エス バイオテック | フェノール性化合物等の高分子化方法及びその利用 |
| JPH10218999A (ja) * | 1996-12-06 | 1998-08-18 | Showa Denko Kk | 多孔質物品内部処理用組成物及びその用途 |
| JP2002502328A (ja) * | 1997-05-28 | 2002-01-22 | ステファン・ビー・オーガー | 木材および他の支持体用の鉱物性染料 |
| WO1999026767A1 (en) * | 1997-11-26 | 1999-06-03 | Showa Denko K.K. | Method for the treatment of wood with metallic treatment and wood treated by the method |
| KR100469077B1 (ko) * | 2003-09-16 | 2005-02-02 | 에이치투오 테크놀로지스 엘엘씨 | 철 또는 알루미늄 결합 리그노셀룰로즈 미디아 제조방법 |
| US20070089846A1 (en) * | 2004-01-30 | 2007-04-26 | Kim Ju Y | Silver-impregnated lignocellulose (sil): process for making and using same |
| JP2006111599A (ja) * | 2004-10-18 | 2006-04-27 | Kansai Paint Co Ltd | 防腐剤 |
| FI20115754A0 (fi) * | 2011-03-22 | 2011-07-15 | Andritz Oy | Menetelmä ja järjestely kemiallisen massan käsittelemiseksi |
| ES2639137B1 (es) * | 2016-04-25 | 2018-07-30 | Universidade De Vigo | Procedimiento enzimático para conferir a la madera y productos derivados resistencia frente a agentes de origen biótico |
| CN107972144B (zh) * | 2017-11-23 | 2019-07-30 | 北京林业大学 | 一种基于碱木质素复合热处理改性木材的方法 |
| SE541967C2 (en) | 2017-12-22 | 2020-01-14 | Stora Enso Oyj | Modified wood product and a process for producing said product |
| ES2800104B2 (es) * | 2018-06-21 | 2021-05-21 | Univ Del Pais Vasco / Euskal Herriko Unibertsitatea | Composicion preservante para madera a base de lignina modificada |
| DE102019121069A1 (de) * | 2019-08-05 | 2021-02-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Behandlung von Holz |
| ES2985563T3 (es) * | 2020-02-17 | 2024-11-06 | Borregaard As | Derivado de lignina para reducir la película del lavavajillas |
| CA3212814A1 (en) | 2021-03-16 | 2022-09-22 | Borregaard As | Biobased dispersants for laundry cleaning applications |
| WO2025031742A1 (en) | 2023-08-08 | 2025-02-13 | Københavns Universitet | Method for impregnating wood with a solution comprising lignin or derivatives thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE442752A (de) * | ||||
| GB191205411A (en) * | 1912-03-04 | 1913-04-04 | Judson Albert Decew | A New or Improved Process for Preserving, Seasoning and Fireproofing Wood and the like, and Products Obtained thereby. |
| CA913524A (en) * | 1968-07-15 | 1972-10-31 | Orchardson And Company Limited | Process of treating wood against stain and decay |
| US4347345A (en) * | 1979-04-12 | 1982-08-31 | Blount David H | Process for the production of broken-down organic lignin-cellulose silicate polymers |
| NZ194071A (en) * | 1979-06-25 | 1982-05-25 | Manchem Ltd | Preserving timber using a metal-organic compound also containing boron |
| US4539235A (en) * | 1982-09-09 | 1985-09-03 | Mooney Chemicals, Inc. | Method for treating wood |
-
1985
- 1985-04-04 SE SE8501687A patent/SE465815B/sv not_active IP Right Cessation
-
1986
- 1986-04-01 EP EP19860850112 patent/EP0197908B1/de not_active Expired - Lifetime
- 1986-04-01 DE DE8686850112T patent/DE3683075D1/de not_active Expired - Lifetime
- 1986-04-01 AT AT86850112T patent/ATE70763T1/de not_active IP Right Cessation
- 1986-04-02 CA CA000505609A patent/CA1256331A/en not_active Expired
- 1986-04-02 FI FI861418A patent/FI82406C/fi not_active IP Right Cessation
- 1986-04-03 NO NO861305A patent/NO169430C/no unknown
- 1986-04-04 US US06/848,205 patent/US4752509A/en not_active Expired - Fee Related
- 1986-04-04 JP JP7808186A patent/JPH0661723B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| SE8501687D0 (sv) | 1985-04-04 |
| ATE70763T1 (de) | 1992-01-15 |
| EP0197908A1 (de) | 1986-10-15 |
| EP0197908B1 (de) | 1991-12-27 |
| FI82406B (fi) | 1990-11-30 |
| CA1256331A (en) | 1989-06-27 |
| DE3683075D1 (de) | 1992-02-06 |
| FI82406C (fi) | 1991-03-11 |
| US4752509A (en) | 1988-06-21 |
| NO861305L (no) | 1986-10-06 |
| NO169430B (no) | 1992-03-16 |
| JPH0661723B2 (ja) | 1994-08-17 |
| FI861418A0 (fi) | 1986-04-02 |
| NO169430C (no) | 1992-06-24 |
| SE8501687L (sv) | 1986-10-05 |
| JPS61268729A (ja) | 1986-11-28 |
| FI861418L (fi) | 1986-10-05 |
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