FR2483477A1 - Fibres d'amiante phosphatees et leur procede de preparation - Google Patents
Fibres d'amiante phosphatees et leur procede de preparation Download PDFInfo
- Publication number
- FR2483477A1 FR2483477A1 FR8110228A FR8110228A FR2483477A1 FR 2483477 A1 FR2483477 A1 FR 2483477A1 FR 8110228 A FR8110228 A FR 8110228A FR 8110228 A FR8110228 A FR 8110228A FR 2483477 A1 FR2483477 A1 FR 2483477A1
- Authority
- FR
- France
- Prior art keywords
- asbestos
- fibers
- asbestos fibers
- fiber
- weight
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 131
- 239000010425 asbestos Substances 0.000 title claims abstract description 97
- 229910052895 riebeckite Inorganic materials 0.000 title claims abstract description 97
- 229910019142 PO4 Inorganic materials 0.000 title claims description 10
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title claims description 7
- 239000010452 phosphate Substances 0.000 title claims description 6
- 238000004519 manufacturing process Methods 0.000 title abstract description 6
- UHZYTMXLRWXGPK-UHFFFAOYSA-N phosphorus pentachloride Chemical compound ClP(Cl)(Cl)(Cl)Cl UHZYTMXLRWXGPK-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims abstract description 4
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 14
- CWBIFDGMOSWLRQ-UHFFFAOYSA-N trimagnesium;hydroxy(trioxido)silane;hydrate Chemical class O.[Mg+2].[Mg+2].[Mg+2].O[Si]([O-])([O-])[O-].O[Si]([O-])([O-])[O-] CWBIFDGMOSWLRQ-UHFFFAOYSA-N 0.000 claims description 14
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 claims description 12
- 229910052698 phosphorus Inorganic materials 0.000 claims description 10
- 239000011574 phosphorus Substances 0.000 claims description 10
- -1 phosphorus compound Chemical class 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 239000012736 aqueous medium Substances 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 238000001228 spectrum Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 2
- 206010018910 Haemolysis Diseases 0.000 abstract description 7
- 230000008588 hemolysis Effects 0.000 abstract description 7
- 230000003013 cytotoxicity Effects 0.000 abstract description 5
- 231100000135 cytotoxicity Toxicity 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 239000004744 fabric Substances 0.000 abstract description 2
- 239000012774 insulation material Substances 0.000 abstract description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical group OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 1
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical compound ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 238000011282 treatment Methods 0.000 description 14
- 230000002949 hemolytic effect Effects 0.000 description 13
- 239000000047 product Substances 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- 229910052620 chrysotile Inorganic materials 0.000 description 9
- 230000001472 cytotoxic effect Effects 0.000 description 8
- 229910052757 nitrogen Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- FTOAOBMCPZCFFF-UHFFFAOYSA-N 5,5-diethylbarbituric acid Chemical compound CCC1(CC)C(=O)NC(=O)NC1=O FTOAOBMCPZCFFF-UHFFFAOYSA-N 0.000 description 6
- 241000700159 Rattus Species 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 6
- 231100000433 cytotoxic Toxicity 0.000 description 6
- 238000011534 incubation Methods 0.000 description 6
- 235000021317 phosphate Nutrition 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 235000019799 monosodium phosphate Nutrition 0.000 description 5
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 5
- 229910000162 sodium phosphate Inorganic materials 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 4
- 230000004071 biological effect Effects 0.000 description 4
- 210000003743 erythrocyte Anatomy 0.000 description 4
- 239000002609 medium Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 210000001132 alveolar macrophage Anatomy 0.000 description 3
- 229960002319 barbital Drugs 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 238000002329 infrared spectrum Methods 0.000 description 3
- 210000002540 macrophage Anatomy 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical group [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 230000037396 body weight Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229940071106 ethylenediaminetetraacetate Drugs 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 150000003018 phosphorus compounds Chemical class 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000035899 viability Effects 0.000 description 2
- 208000033116 Asbestos intoxication Diseases 0.000 description 1
- 208000005623 Carcinogenesis Diseases 0.000 description 1
- 101710088194 Dehydrogenase Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- ZDXPYRJPNDTMRX-VKHMYHEASA-N L-glutamine Chemical compound OC(=O)[C@@H](N)CCC(N)=O ZDXPYRJPNDTMRX-VKHMYHEASA-N 0.000 description 1
- 229930182816 L-glutamine Natural products 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 150000001204 N-oxides Chemical class 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 229910019213 POCl3 Inorganic materials 0.000 description 1
- QGMRQYFBGABWDR-UHFFFAOYSA-M Pentobarbital sodium Chemical compound [Na+].CCCC(C)C1(CC)C(=O)NC(=O)[N-]C1=O QGMRQYFBGABWDR-UHFFFAOYSA-M 0.000 description 1
- 206010035600 Pleural fibrosis Diseases 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 241000219061 Rheum Species 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920004890 Triton X-100 Polymers 0.000 description 1
- 239000013504 Triton X-100 Substances 0.000 description 1
- GLNADSQYFUSGOU-GPTZEZBUSA-J Trypan blue Chemical compound [Na+].[Na+].[Na+].[Na+].C1=C(S([O-])(=O)=O)C=C2C=C(S([O-])(=O)=O)C(/N=N/C3=CC=C(C=C3C)C=3C=C(C(=CC=3)\N=N\C=3C(=CC4=CC(=CC(N)=C4C=3O)S([O-])(=O)=O)S([O-])(=O)=O)C)=C(O)C2=C1N GLNADSQYFUSGOU-GPTZEZBUSA-J 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 206010003441 asbestosis Diseases 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 244000309466 calf Species 0.000 description 1
- 230000036952 cancer formation Effects 0.000 description 1
- 231100000504 carcinogenesis Toxicity 0.000 description 1
- 230000003833 cell viability Effects 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001086 cytosolic effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003352 fibrogenic effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 231100000636 lethal dose Toxicity 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000464 low-speed centrifugation Methods 0.000 description 1
- 201000005296 lung carcinoma Diseases 0.000 description 1
- 210000005265 lung cell Anatomy 0.000 description 1
- 230000002132 lysosomal effect Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical group [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000007918 pathogenicity Effects 0.000 description 1
- 229960002275 pentobarbital sodium Drugs 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002717 polyvinylpyridine Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002685 pulmonary effect Effects 0.000 description 1
- 208000005069 pulmonary fibrosis Diseases 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
- 150000003657 tungsten Chemical class 0.000 description 1
- 210000001631 vena cava inferior Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1055—Coating or impregnating with inorganic materials
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/42—Coatings containing inorganic materials
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Structural Engineering (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Artificial Filaments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA352938 | 1980-05-27 | ||
| CA000375388A CA1169230A (en) | 1981-04-29 | 1981-04-29 | Phosphated asbestos fibers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2483477A1 true FR2483477A1 (fr) | 1981-12-04 |
| FR2483477B1 FR2483477B1 (en:Method) | 1984-09-28 |
Family
ID=25669092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8110228A Granted FR2483477A1 (fr) | 1980-05-27 | 1981-05-22 | Fibres d'amiante phosphatees et leur procede de preparation |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4356057A (en:Method) |
| EP (1) | EP0040825B1 (en:Method) |
| AU (1) | AU542381B2 (en:Method) |
| BR (1) | BR8103219A (en:Method) |
| CH (1) | CH653057A5 (en:Method) |
| DE (1) | DE3162493D1 (en:Method) |
| DK (1) | DK223781A (en:Method) |
| ES (1) | ES8203805A1 (en:Method) |
| FR (1) | FR2483477A1 (en:Method) |
| GB (1) | GB2076383B (en:Method) |
| GR (1) | GR74528B (en:Method) |
| NO (1) | NO156604C (en:Method) |
| PL (1) | PL127870B2 (en:Method) |
| YU (1) | YU134581A (en:Method) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1213416A (en) * | 1984-02-22 | 1986-11-04 | Societe Nationale De L'amiante | Process for phosphating asbestos fibers |
| US4495223A (en) * | 1984-02-22 | 1985-01-22 | Societe Nationale De L'amiante | Process for phosphating asbestos fibers |
| US5753031A (en) * | 1996-09-27 | 1998-05-19 | W. R. Grace & Co.-Conn. | Composition and method to remove asbestos |
| US5753032A (en) * | 1996-09-27 | 1998-05-19 | W. R. Grace & Co.-Conn. | Composition and method to remove asbestos |
| US5753034A (en) * | 1996-09-27 | 1998-05-19 | W. R. Grace & Co. -Conn. | Composition and method to remove asbestos |
| US5753033A (en) * | 1996-09-27 | 1998-05-19 | W. R. Grace & Co.-Conn. | Composition and method to remove asbestos |
| US5743841A (en) * | 1996-09-27 | 1998-04-28 | W. R. Grace & Co.-Conn. | Foam composition for treating asbestos-containing materials and method of using same |
| US5753035A (en) * | 1996-09-27 | 1998-05-19 | W. R. Grace & Co.-Conn. | Composition and method to remove asbestos |
| US5741358A (en) * | 1996-09-27 | 1998-04-21 | W. R. Grace & Co.-Conn. | Corrosion inhibiting composition for treating asbestos containing materials |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6602625A (en:Method) * | 1965-03-01 | 1966-09-02 | ||
| US3403038A (en) * | 1966-01-12 | 1968-09-24 | Gen Electric | Asbestos-phosphoric acid molding composition |
| GB1143842A (en:Method) * | 1966-04-05 | 1900-01-01 | ||
| US4171405A (en) * | 1977-01-03 | 1979-10-16 | The Dow Chemical Company | Asbestos treatment with metal molybdates |
| GB1548268A (en) * | 1977-01-12 | 1979-07-11 | Ontario Research Foundation | Production of chysotile asbestos fibres |
| US4168347A (en) * | 1978-01-03 | 1979-09-18 | Arco Polymers, Inc. | Fire and heat resistant structures |
-
1981
- 1981-05-15 AU AU70616/81A patent/AU542381B2/en not_active Ceased
- 1981-05-19 GB GB8115296A patent/GB2076383B/en not_active Expired
- 1981-05-20 CH CH3292/81A patent/CH653057A5/fr not_active IP Right Cessation
- 1981-05-21 DE DE8181103916T patent/DE3162493D1/de not_active Expired
- 1981-05-21 ES ES502907A patent/ES8203805A1/es not_active Expired
- 1981-05-21 US US06/266,135 patent/US4356057A/en not_active Expired - Fee Related
- 1981-05-21 EP EP19810103916 patent/EP0040825B1/en not_active Expired
- 1981-05-21 DK DK223781A patent/DK223781A/da not_active Application Discontinuation
- 1981-05-22 BR BR8103219A patent/BR8103219A/pt unknown
- 1981-05-22 FR FR8110228A patent/FR2483477A1/fr active Granted
- 1981-05-25 GR GR65048A patent/GR74528B/el unknown
- 1981-05-26 NO NO811775A patent/NO156604C/no unknown
- 1981-05-26 YU YU134581A patent/YU134581A/xx unknown
- 1981-05-26 PL PL23133681A patent/PL127870B2/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU542381B2 (en) | 1985-02-21 |
| GR74528B (en:Method) | 1984-06-29 |
| CH653057A5 (fr) | 1985-12-13 |
| EP0040825B1 (en) | 1984-03-07 |
| EP0040825A1 (en) | 1981-12-02 |
| YU134581A (en) | 1983-10-31 |
| NO156604C (no) | 1987-10-21 |
| PL231336A2 (en:Method) | 1982-02-01 |
| PL127870B2 (en) | 1983-12-31 |
| NO156604B (no) | 1987-07-13 |
| DK223781A (da) | 1981-11-28 |
| ES502907A0 (es) | 1982-04-01 |
| US4356057A (en) | 1982-10-26 |
| AU7061681A (en) | 1981-12-03 |
| GB2076383B (en) | 1984-01-18 |
| ES8203805A1 (es) | 1982-04-01 |
| BR8103219A (pt) | 1982-02-16 |
| GB2076383A (en) | 1981-12-02 |
| DE3162493D1 (en) | 1984-04-12 |
| NO811775L (no) | 1981-11-30 |
| FR2483477B1 (en:Method) | 1984-09-28 |
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