FI74082C - Foerfarande foer framstaellning av massa av ved innehaollande s-triazin samt massa av ved och papper innehaollande s-triazin. - Google Patents
Foerfarande foer framstaellning av massa av ved innehaollande s-triazin samt massa av ved och papper innehaollande s-triazin. Download PDFInfo
- Publication number
- FI74082C FI74082C FI843831A FI843831A FI74082C FI 74082 C FI74082 C FI 74082C FI 843831 A FI843831 A FI 843831A FI 843831 A FI843831 A FI 843831A FI 74082 C FI74082 C FI 74082C
- Authority
- FI
- Finland
- Prior art keywords
- pulp
- wood
- melamine
- triazine
- triazine compound
- Prior art date
Links
- JIHQDMXYYFUGFV-UHFFFAOYSA-N 1,3,5-triazine Chemical compound C1=NC=NC=N1 JIHQDMXYYFUGFV-UHFFFAOYSA-N 0.000 title claims description 40
- 101100148710 Clarkia breweri SAMT gene Proteins 0.000 title 1
- 229920000877 Melamine resin Polymers 0.000 claims description 69
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 69
- 238000000034 method Methods 0.000 claims description 55
- 229920001131 Pulp (paper) Polymers 0.000 claims description 39
- 239000002023 wood Substances 0.000 claims description 36
- 238000004061 bleaching Methods 0.000 claims description 22
- 229920005610 lignin Polymers 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 15
- -1 s-triazine compound Chemical class 0.000 claims description 14
- 229920002678 cellulose Polymers 0.000 claims description 10
- 239000001913 cellulose Substances 0.000 claims description 10
- 230000000930 thermomechanical effect Effects 0.000 claims description 10
- 238000011282 treatment Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 238000001311 chemical methods and process Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000004537 pulping Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000007670 refining Methods 0.000 claims 2
- 239000000654 additive Substances 0.000 description 50
- 230000000996 additive effect Effects 0.000 description 39
- 239000000123 paper Substances 0.000 description 32
- 238000000227 grinding Methods 0.000 description 30
- 239000000835 fiber Substances 0.000 description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 13
- 238000012360 testing method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- 239000000126 substance Substances 0.000 description 12
- 229910021653 sulphate ion Inorganic materials 0.000 description 12
- 238000010411 cooking Methods 0.000 description 11
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 10
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 10
- 241000218657 Picea Species 0.000 description 9
- 238000005660 chlorination reaction Methods 0.000 description 8
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 8
- 239000000049 pigment Substances 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- IQFVPQOLBLOTPF-HKXUKFGYSA-L congo red Chemical compound [Na+].[Na+].C1=CC=CC2=C(N)C(/N=N/C3=CC=C(C=C3)C3=CC=C(C=C3)/N=N/C3=C(C4=CC=CC=C4C(=C3)S([O-])(=O)=O)N)=CC(S([O-])(=O)=O)=C21 IQFVPQOLBLOTPF-HKXUKFGYSA-L 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000003381 stabilizer Substances 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 4
- MASBWURJQFFLOO-UHFFFAOYSA-N ammeline Chemical compound NC1=NC(N)=NC(O)=N1 MASBWURJQFFLOO-UHFFFAOYSA-N 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 235000012000 cholesterol Nutrition 0.000 description 4
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 229920002488 Hemicellulose Polymers 0.000 description 3
- 229920002522 Wood fibre Polymers 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- RVRCFVVLDHTFFA-UHFFFAOYSA-N heptasodium;tungsten;nonatriacontahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[W].[W].[W].[W].[W].[W].[W].[W].[W].[W].[W] RVRCFVVLDHTFFA-UHFFFAOYSA-N 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- ZFPPQTYHQHJOOI-UHFFFAOYSA-N perchloric acid;1,3,5-triazine-2,4,6-triamine Chemical compound [O-]Cl(=O)(=O)=O.NC1=NC(N)=[NH+]C(N)=N1 ZFPPQTYHQHJOOI-UHFFFAOYSA-N 0.000 description 3
- 239000003755 preservative agent Substances 0.000 description 3
- VOVCASRUQMXLSQ-UHFFFAOYSA-N sulfamic acid;1,3,5-triazine-2,4,6-triamine Chemical compound NS(O)(=O)=O.NC1=NC(N)=NC(N)=N1 VOVCASRUQMXLSQ-UHFFFAOYSA-N 0.000 description 3
- 239000002025 wood fiber Substances 0.000 description 3
- RTLULCVBFCRQKI-UHFFFAOYSA-N 1-amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfoanilino]-9,10-dioxoanthracene-2-sulfonic acid Chemical compound C1=2C(=O)C3=CC=CC=C3C(=O)C=2C(N)=C(S(O)(=O)=O)C=C1NC(C=1)=CC=C(S(O)(=O)=O)C=1NC1=NC(Cl)=NC(Cl)=N1 RTLULCVBFCRQKI-UHFFFAOYSA-N 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 238000012993 chemical processing Methods 0.000 description 2
- 235000019398 chlorine dioxide Nutrition 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 239000002761 deinking Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 150000007974 melamines Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000985 reactive dye Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- HPJKLCJJNFVOEM-UHFFFAOYSA-N 1,3,5-triazine-2,4,6-triamine;hydrochloride Chemical compound Cl.NC1=NC(N)=NC(N)=N1 HPJKLCJJNFVOEM-UHFFFAOYSA-N 0.000 description 1
- SYYDYQMUKFERQR-UHFFFAOYSA-N 6-[(4-benzylpiperazin-1-yl)methyl]-2,3-dimethoxyphenol Chemical compound OC1=C(OC)C(OC)=CC=C1CN1CCN(CC=2C=CC=CC=2)CC1 SYYDYQMUKFERQR-UHFFFAOYSA-N 0.000 description 1
- 241000208140 Acer Species 0.000 description 1
- 101100457461 Caenorhabditis elegans mnm-2 gene Proteins 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- GYIMANCNTLUKJZ-UHFFFAOYSA-N Cl(=O)(=O)O.N1=C(N)N=C(N)N=C1N Chemical compound Cl(=O)(=O)O.N1=C(N)N=C(N)N=C1N GYIMANCNTLUKJZ-UHFFFAOYSA-N 0.000 description 1
- 241000158728 Meliaceae Species 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 235000008566 Pinus taeda Nutrition 0.000 description 1
- 241000218679 Pinus taeda Species 0.000 description 1
- 241000219000 Populus Species 0.000 description 1
- 241000219492 Quercus Species 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- YSKUZVBSHIWEFK-UHFFFAOYSA-N ammelide Chemical compound NC1=NC(O)=NC(O)=N1 YSKUZVBSHIWEFK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- MCVOMSJPVOAICS-UHFFFAOYSA-N chlorous acid 1,3,5-triazine-2,4,6-triamine Chemical compound Cl(=O)O.N1=C(N)N=C(N)N=C1N MCVOMSJPVOAICS-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- BMAUDWDYKLUBPY-UHFFFAOYSA-L disodium;3-[[4-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-2-methylphenyl]diazenyl]naphthalene-1,5-disulfonate Chemical compound [Na+].[Na+].C=1C=C(N=NC=2C=C3C(=CC=CC3=C(C=2)S([O-])(=O)=O)S([O-])(=O)=O)C(C)=CC=1NC1=NC(Cl)=NC(Cl)=N1 BMAUDWDYKLUBPY-UHFFFAOYSA-L 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- WMRHTANUAUKEGF-UHFFFAOYSA-N hypochlorous acid 1,3,5-triazine-2,4,6-triamine Chemical compound ClO.N1=C(N)N=C(N)N=C1N WMRHTANUAUKEGF-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- XFZRQAZGUOTJCS-UHFFFAOYSA-N phosphoric acid;1,3,5-triazine-2,4,6-triamine Chemical compound OP(O)(O)=O.NC1=NC(N)=NC(N)=N1 XFZRQAZGUOTJCS-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000013031 physical testing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000003223 protective agent Substances 0.000 description 1
- 239000001044 red dye Substances 0.000 description 1
- 239000012260 resinous material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- LTURHSAEWJPFAA-UHFFFAOYSA-N sulfuric acid;1,3,5-triazine-2,4,6-triamine Chemical compound OS(O)(=O)=O.NC1=NC(N)=NC(N)=N1 LTURHSAEWJPFAA-UHFFFAOYSA-N 0.000 description 1
- NGTPJMOILNSFNN-UHFFFAOYSA-N sulfurous acid;1,3,5-triazine-2,4,6-triamine Chemical compound OS(O)=O.NC1=NC(N)=NC(N)=N1 NGTPJMOILNSFNN-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 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
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/07—Nitrogen-containing compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Prostheses (AREA)
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US53792783A | 1983-09-30 | 1983-09-30 | |
| US53792683A | 1983-09-30 | 1983-09-30 | |
| US06/537,876 US4487656A (en) | 1983-09-30 | 1983-09-30 | Process for bleaching paper pulp using melamine as a viscosity stabilizer |
| US53792783 | 1983-09-30 | ||
| US53792683 | 1983-09-30 | ||
| US53787683 | 1983-09-30 | ||
| US65175184A | 1984-09-19 | 1984-09-19 | |
| US65175184 | 1984-09-19 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI843831A0 FI843831A0 (fi) | 1984-09-28 |
| FI843831L FI843831L (fi) | 1985-03-31 |
| FI74082B FI74082B (fi) | 1987-08-31 |
| FI74082C true FI74082C (fi) | 1987-12-10 |
Family
ID=27504668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI843831A FI74082C (fi) | 1983-09-30 | 1984-09-28 | Foerfarande foer framstaellning av massa av ved innehaollande s-triazin samt massa av ved och papper innehaollande s-triazin. |
Country Status (10)
| Country | Link |
|---|---|
| AT (1) | ATA310984A (en, 2012) |
| BR (1) | BR8404914A (en, 2012) |
| DE (1) | DE3436015A1 (en, 2012) |
| FI (1) | FI74082C (en, 2012) |
| FR (1) | FR2552792B1 (en, 2012) |
| GB (1) | GB2148344B (en, 2012) |
| IT (1) | IT1180236B (en, 2012) |
| NO (1) | NO843919L (en, 2012) |
| NZ (1) | NZ209708A (en, 2012) |
| SE (1) | SE464031B (en, 2012) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4230655A1 (de) * | 1992-09-14 | 1994-03-17 | Ciba Geigy | Verfahren zur Verbesserung von Weißgrad, Helligkeit und Farbort von Faserstoffen |
| DE4230656A1 (de) * | 1992-09-14 | 1994-03-17 | Ciba Geigy | Verfahren zur Verbesserung von Weissgrad, Helligkeit und Farbort von Füllstoffen und Pigmenten |
| CN115110329A (zh) * | 2022-06-28 | 2022-09-27 | 中国制浆造纸研究院有限公司 | 一种降低漂白段纸浆中金属含量和灰分含量的方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB600961A (en) * | 1944-09-20 | 1948-04-23 | Du Pont | Improvements in or relating to the impregnation of wood with urea-formaldehyde resins |
| BE566286A (en, 2012) * | 1957-04-02 | |||
| FR1281896A (fr) * | 1960-09-07 | 1962-01-19 | Westinghouse Electric Corp | Procédé de stabilisation d'isolation cellulosique en contact avec des diélectriques liquides |
| GB1500599A (en) * | 1975-11-28 | 1978-02-08 | Koppers Co Inc | Compositions for imparting fire retardance to wood |
-
1984
- 1984-09-28 BR BR8404914A patent/BR8404914A/pt unknown
- 1984-09-28 FI FI843831A patent/FI74082C/fi not_active IP Right Cessation
- 1984-09-28 FR FR8415011A patent/FR2552792B1/fr not_active Expired
- 1984-09-28 GB GB08424540A patent/GB2148344B/en not_active Expired
- 1984-09-28 NO NO843919A patent/NO843919L/no unknown
- 1984-09-28 IT IT22893/84A patent/IT1180236B/it active
- 1984-09-28 SE SE8404867A patent/SE464031B/sv not_active IP Right Cessation
- 1984-09-28 NZ NZ209708A patent/NZ209708A/xx unknown
- 1984-10-01 AT AT843109A patent/ATA310984A/de not_active Application Discontinuation
- 1984-10-01 DE DE19843436015 patent/DE3436015A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SE8404867L (sv) | 1985-03-31 |
| BR8404914A (pt) | 1985-08-20 |
| SE8404867D0 (sv) | 1984-09-28 |
| SE464031B (sv) | 1991-02-25 |
| GB2148344A (en) | 1985-05-30 |
| FR2552792A1 (fr) | 1985-04-05 |
| FR2552792B1 (fr) | 1987-01-09 |
| IT1180236B (it) | 1987-09-23 |
| GB8424540D0 (en) | 1984-11-07 |
| NZ209708A (en) | 1988-08-30 |
| FI843831L (fi) | 1985-03-31 |
| IT8422893A0 (it) | 1984-09-28 |
| NO843919L (no) | 1985-04-01 |
| GB2148344B (en) | 1987-04-15 |
| ATA310984A (de) | 1991-11-15 |
| DE3436015A1 (de) | 1985-05-02 |
| FI74082B (fi) | 1987-08-31 |
| FI843831A0 (fi) | 1984-09-28 |
| DE3436015C2 (en, 2012) | 1990-03-08 |
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