DE2049054B2 - Verfahren zur Herstellung von Formkörpern aus feuerfestem, wärmeisolierendem Material und deren Verwendung - Google Patents
Verfahren zur Herstellung von Formkörpern aus feuerfestem, wärmeisolierendem Material und deren VerwendungInfo
- Publication number
- DE2049054B2 DE2049054B2 DE2049054A DE2049054A DE2049054B2 DE 2049054 B2 DE2049054 B2 DE 2049054B2 DE 2049054 A DE2049054 A DE 2049054A DE 2049054 A DE2049054 A DE 2049054A DE 2049054 B2 DE2049054 B2 DE 2049054B2
- Authority
- DE
- Germany
- Prior art keywords
- heat
- refractory
- fibers
- production
- insulating material
- 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
- 239000011810 insulating material Substances 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000000034 method Methods 0.000 title claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 24
- 239000000835 fiber Substances 0.000 claims description 18
- 238000001035 drying Methods 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- 239000011230 binding agent Substances 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 7
- 235000007164 Oryza sativa Nutrition 0.000 claims description 6
- 239000010903 husk Substances 0.000 claims description 6
- 239000011819 refractory material Substances 0.000 claims description 6
- 235000009566 rice Nutrition 0.000 claims description 6
- 239000008119 colloidal silica Substances 0.000 claims description 5
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 4
- 230000009970 fire resistant effect Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 239000000463 material Substances 0.000 description 17
- 239000000919 ceramic Substances 0.000 description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 6
- 241000209094 Oryza Species 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000000395 magnesium oxide Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004111 Potassium silicate Substances 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 229910052809 inorganic oxide Inorganic materials 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910001463 metal phosphate Inorganic materials 0.000 description 2
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 229910052913 potassium silicate Inorganic materials 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 239000008279 sol Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 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
- 239000007900 aqueous suspension Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 238000000889 atomisation Methods 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
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 235000015243 ice cream Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/04—Arrangements using dry fillers, e.g. using slag wool
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/34—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing cold phosphate binders
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Thermal Insulation (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4904469 | 1969-10-06 | ||
| GB32217/70A GB1264022A (en) | 1969-10-06 | 1969-10-06 | Refractory heat insulating materials |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2049054A1 DE2049054A1 (de) | 1971-04-15 |
| DE2049054B2 true DE2049054B2 (de) | 1978-07-13 |
| DE2049054C3 DE2049054C3 (enExample) | 1980-12-18 |
Family
ID=26261260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2049054A Granted DE2049054B2 (de) | 1969-10-06 | 1970-10-06 | Verfahren zur Herstellung von Formkörpern aus feuerfestem, wärmeisolierendem Material und deren Verwendung |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3752683A (enExample) |
| JP (1) | JPS5347367B1 (enExample) |
| DE (1) | DE2049054B2 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0081825A1 (de) * | 1981-12-10 | 1983-06-22 | Micropore International Limited | Durch Pressen verdichteter Wärmedämmkörper aus einem hochdispersen Dämmaterial, sowie Verfahren zu seiner Herstellung |
| EP3478643B1 (de) * | 2016-06-30 | 2022-04-20 | Refratechnik Holding GmbH | Wärmedämmender, feuerfester formkörper, insbesondere platte, und verfahren zu dessen herstellung und dessen verwendung |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3959063A (en) * | 1971-06-02 | 1976-05-25 | Foseco International Limited | Method of protecting a surface from a heat source |
| FR2203788B1 (enExample) * | 1972-10-24 | 1980-02-15 | Novatome Ind | |
| JPS50138004A (enExample) * | 1974-04-20 | 1975-11-04 | ||
| US4040847A (en) * | 1976-04-14 | 1977-08-09 | Johns-Manville Corporation | Temperature stable fibrous insulation composition and "wet" package formed thereof |
| DE2754956A1 (de) * | 1977-12-09 | 1979-06-13 | Gruenzweig Hartmann Glasfaser | Waermedaemmplatte |
| DE2900225A1 (de) * | 1978-02-03 | 1979-08-09 | Odenwald Faserplatten | Feuerfeste und/oder keramische, poroese, schall- und waermeisolierende koerper auf basis von synthetischen mineralfasern sowie verfahren zu ihrer herstellung |
| US4148962A (en) * | 1978-09-08 | 1979-04-10 | Nasa | Fibrous refractory composite insulation |
| FR2514752A1 (fr) * | 1981-10-20 | 1983-04-22 | Onera (Off Nat Aerospatiale) | Materiaux composites ceramises a resistance mecanique et thermique elevee et leur preparation |
| JPH0639940B2 (ja) * | 1987-12-25 | 1994-05-25 | いすゞ自動車株式会社 | ピストン、シリンダヘツド等の内燃機関のエンジン部品 |
| US4989664A (en) * | 1988-07-07 | 1991-02-05 | United Technologies Corporation | Core molding composition |
| US5268031A (en) * | 1989-03-10 | 1993-12-07 | Premier Refractories And Chemicals Inc. | Pumpable ceramic fiber composition |
| US5190610A (en) * | 1989-11-08 | 1993-03-02 | Ek Roger B | Method for producing a ceramic fiber-metal laminate |
| US6060114A (en) * | 1998-03-06 | 2000-05-09 | Northrop Grumman Corporation | Process for applying waterproof ceramic coating compositions |
| RU2203251C2 (ru) * | 2001-07-26 | 2003-04-27 | Демин Евгений Николаевич | Теплоизоляционное изделие |
| US7574796B2 (en) | 2002-10-28 | 2009-08-18 | Geo2 Technologies, Inc. | Nonwoven composites and related products and methods |
| US6946013B2 (en) | 2002-10-28 | 2005-09-20 | Geo2 Technologies, Inc. | Ceramic exhaust filter |
| US7582270B2 (en) | 2002-10-28 | 2009-09-01 | Geo2 Technologies, Inc. | Multi-functional substantially fibrous mullite filtration substrates and devices |
| US7572311B2 (en) | 2002-10-28 | 2009-08-11 | Geo2 Technologies, Inc. | Highly porous mullite particulate filter substrate |
| US7451849B1 (en) | 2005-11-07 | 2008-11-18 | Geo2 Technologies, Inc. | Substantially fibrous exhaust screening system for motor vehicles |
| US7682577B2 (en) | 2005-11-07 | 2010-03-23 | Geo2 Technologies, Inc. | Catalytic exhaust device for simplified installation or replacement |
| US7211232B1 (en) | 2005-11-07 | 2007-05-01 | Geo2 Technologies, Inc. | Refractory exhaust filtering method and apparatus |
| US7682578B2 (en) * | 2005-11-07 | 2010-03-23 | Geo2 Technologies, Inc. | Device for catalytically reducing exhaust |
| US20070104620A1 (en) * | 2005-11-07 | 2007-05-10 | Bilal Zuberi | Catalytic Exhaust Device |
| US7444805B2 (en) | 2005-12-30 | 2008-11-04 | Geo2 Technologies, Inc. | Substantially fibrous refractory device for cleaning a fluid |
| US7722828B2 (en) | 2005-12-30 | 2010-05-25 | Geo2 Technologies, Inc. | Catalytic fibrous exhaust system and method for catalyzing an exhaust gas |
| US7563415B2 (en) * | 2006-03-03 | 2009-07-21 | Geo2 Technologies, Inc | Catalytic exhaust filter device |
| CN106082809B (zh) * | 2016-06-14 | 2018-06-26 | 雄子（上海）新材料科技有限公司 | 热反射隔热涂料及其制备方法 |
-
1970
- 1970-10-01 US US3752683D patent/US3752683A/en not_active Expired - Lifetime
- 1970-10-06 JP JP8718770A patent/JPS5347367B1/ja active Pending
- 1970-10-06 DE DE2049054A patent/DE2049054B2/de active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0081825A1 (de) * | 1981-12-10 | 1983-06-22 | Micropore International Limited | Durch Pressen verdichteter Wärmedämmkörper aus einem hochdispersen Dämmaterial, sowie Verfahren zu seiner Herstellung |
| EP0130629A1 (de) * | 1981-12-10 | 1985-01-09 | Grünzweig + Hartmann und Glasfaser AG | Durch Pressen verdichteter Wärmedämmkörper aus einem hochdispersen Dämmaterial, sowie Verfahren zu seiner Herstellung |
| EP3478643B1 (de) * | 2016-06-30 | 2022-04-20 | Refratechnik Holding GmbH | Wärmedämmender, feuerfester formkörper, insbesondere platte, und verfahren zu dessen herstellung und dessen verwendung |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2049054A1 (de) | 1971-04-15 |
| US3752683A (en) | 1973-08-14 |
| DE2049054C3 (enExample) | 1980-12-18 |
| JPS5347367B1 (enExample) | 1978-12-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BGA | New person/name/address of the applicant | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: KOHLER, M., DIPL.-CHEM. DR.RER.NAT., 8000 MUENCHEN GLAESER, J., DIPL.-ING., PAT.-ANW., 2000 HAMBURG |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: FOSECO INTERNATIONAL LTD., NECHELLS, BIRMINGHAM, G |
|
| 8328 | Change in the person/name/address of the agent |
Free format text: DIEHL, H., DIPL.-PHYS. DR.RER.NAT., 8000 MUENCHEN GLAESER, J., DIPL.-ING., 2000 HAMBURG HILTL, E., DIPL.-CHEM. DR.RER.NAT. BURGER, E., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN |