DE3345832C2 - Verfahren zum Verbessern der Hochtemperatur-Biegefestigkeit von intermetallischen Titandiborid-Bornitrid-Zusammensetzungen - Google Patents
Verfahren zum Verbessern der Hochtemperatur-Biegefestigkeit von intermetallischen Titandiborid-Bornitrid-ZusammensetzungenInfo
- Publication number
- DE3345832C2 DE3345832C2 DE3345832A DE3345832A DE3345832C2 DE 3345832 C2 DE3345832 C2 DE 3345832C2 DE 3345832 A DE3345832 A DE 3345832A DE 3345832 A DE3345832 A DE 3345832A DE 3345832 C2 DE3345832 C2 DE 3345832C2
- Authority
- DE
- Germany
- Prior art keywords
- boron nitride
- titanium diboride
- process according
- temperature
- high temperature
- 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.)
- Expired
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 19
- 229910052582 BN Inorganic materials 0.000 title claims abstract description 17
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 6
- 239000010936 titanium Substances 0.000 title claims abstract description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title abstract description 4
- 239000012298 atmosphere Substances 0.000 claims abstract description 7
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 claims description 18
- 229910033181 TiB2 Inorganic materials 0.000 claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 14
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 13
- 238000007731 hot pressing Methods 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims description 2
- 239000012300 argon atmosphere Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 3
- 238000003303 reheating Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 description 18
- 238000001704 evaporation Methods 0.000 description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 14
- 238000002386 leaching Methods 0.000 description 11
- 239000011230 binding agent Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 4
- 101100311330 Schizosaccharomyces pombe (strain 972 / ATCC 24843) uap56 gene Proteins 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 101150018444 sub2 gene Proteins 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000489 vacuum metal deposition Methods 0.000 description 2
- 229910017083 AlN Inorganic materials 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052810 boron oxide Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 230000004580 weight loss Effects 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/5805—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides
- C04B35/58064—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides
- C04B35/58071—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides based on titanium borides
-
- 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
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/583—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
-
- 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
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/0605—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances by sublimating
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/243—Crucibles for source material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Ceramic Products (AREA)
- Powder Metallurgy (AREA)
- Physical Vapour Deposition (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/452,183 US4514355A (en) | 1982-12-22 | 1982-12-22 | Process for improving the high temperature flexural strength of titanium diboride-boron nitride |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3345832A1 DE3345832A1 (de) | 1984-08-16 |
| DE3345832C2 true DE3345832C2 (de) | 1987-02-12 |
Family
ID=23795422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3345832A Expired DE3345832C2 (de) | 1982-12-22 | 1983-12-19 | Verfahren zum Verbessern der Hochtemperatur-Biegefestigkeit von intermetallischen Titandiborid-Bornitrid-Zusammensetzungen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4514355A (OSRAM) |
| JP (1) | JPS59118828A (OSRAM) |
| CA (1) | CA1220617A (OSRAM) |
| DE (1) | DE3345832C2 (OSRAM) |
| GB (1) | GB2132227B (OSRAM) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59162179A (ja) * | 1983-03-01 | 1984-09-13 | 昭和電工株式会社 | バインダー相の少ない六方晶ｂｎ焼結体の製造方法 |
| US4678760A (en) * | 1984-04-27 | 1987-07-07 | Aluminum Company Of America | Method of forming a substantially interwoven matrix containing a refractory hard metal and a metal compound |
| JPS62202868A (ja) * | 1986-02-27 | 1987-09-07 | 電気化学工業株式会社 | 導電性セラミツク及びその製造法 |
| US4884788A (en) * | 1988-04-12 | 1989-12-05 | Union Carbide Corporation | Boron nitride containing vessel having a surface coating of titanium iron-silicon thereon |
| US5320988A (en) * | 1988-11-10 | 1994-06-14 | General Electric Company | Process for preparing polycrystalline CBN ceramic masses and resulting product |
| US5030597A (en) * | 1989-03-03 | 1991-07-09 | Toray Industries, Inc. | Process for producing ceramic composites |
| GB8926164D0 (en) * | 1989-11-20 | 1990-01-10 | Rtz Chemicals Borides Limited | Process for the production of refractory composite article |
| US4983340A (en) * | 1989-12-28 | 1991-01-08 | Union Carbide Coatings Service Technology Corporation | Method for forming a high density metal boride composite |
| US5100845A (en) * | 1991-03-13 | 1992-03-31 | Union Carbide Coatings Service Technology Corporation | Process for producing titanium diboride and boron nitride powders |
| DE19821772A1 (de) * | 1998-05-14 | 1999-11-18 | Kempten Elektroschmelz Gmbh | Keramische Verdampferschiffchen mit verbessertem Erstbenetzungsverhalten |
| US6645572B2 (en) * | 1998-05-14 | 2003-11-11 | Wacker-Chemie Gmbh | Process for producing a ceramic evaporation boat having an improved initial wetting performance |
| DE10015850A1 (de) * | 2000-03-30 | 2001-10-18 | Kempten Elektroschmelz Gmbh | Material für alterungsbeständige keramische Verdampfer |
| DE10350967A1 (de) * | 2003-10-30 | 2005-05-25 | Sintec Keramik Gmbh & Co. Kg | Korrosionsbeständiges, keramisches Material für die Verdampfung von Metallen, insbesondere Aluminium, Verfahren zur Herstellung eines solchen Materials und Verdampfer aus einem solchen Material |
| CN1894171B (zh) * | 2003-12-11 | 2011-02-02 | 电气化学工业株式会社 | 陶瓷烧结体、陶瓷烧结体的制造方法及金属气相淀积用发热体 |
| JP2007254159A (ja) * | 2004-05-24 | 2007-10-04 | Denki Kagaku Kogyo Kk | セラミックス、その製造方法及び用途 |
| DE102005030862B4 (de) * | 2005-07-01 | 2009-12-24 | Sintec Keramik Gmbh | Erstbenetzungshilfsmaterial für einen Verdampferkörper, seine Verwendung zum Herrichten der Verdampferfläche eines Verdampferkörpers und ein elektrisch beheizbarer keramischer Verdampferkörper |
| DE102007035856B8 (de) * | 2007-07-31 | 2009-04-16 | Sintec Keramik Gmbh | Widerstandsheizer und Verfahren zum Herstellen desselben |
| US20110114479A1 (en) * | 2009-11-13 | 2011-05-19 | Kennametal Inc. | Composite Material Useful in Electrolytic Aluminum Production Cells |
| US8501050B2 (en) | 2011-09-28 | 2013-08-06 | Kennametal Inc. | Titanium diboride-silicon carbide composites useful in electrolytic aluminum production cells and methods for producing the same |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3003885A (en) * | 1960-02-01 | 1961-10-10 | Union Carbide Corp | Titanium diboride article |
| GB978734A (en) * | 1962-05-15 | 1964-12-23 | Union Carbide Corp | Improvements in and relating to articles of boron nitride |
| US3215545A (en) * | 1962-12-26 | 1965-11-02 | Union Carbide Corp | Titanium diboride articles and method for making same |
| GB1010492A (en) * | 1963-02-15 | 1965-11-17 | United States Borax Chem | Improvements in or relating to the production of titanium diboride bodies |
| US3544486A (en) * | 1968-05-23 | 1970-12-01 | Sylvania Electric Prod | Refractory bodies containing aluminum nitride,boron nitride and titanium boride |
| US3591668A (en) * | 1968-05-28 | 1971-07-06 | Henry P Kirchner | Strengthening fully sintered alumina and titania articles by reheating in a fluorine atmosphere |
| GB1234842A (en) * | 1968-12-20 | 1971-06-09 | United States Borax Chem | Refractory composition and preparation of refractory bodies |
| US3673118A (en) * | 1970-07-01 | 1972-06-27 | Union Carbide Corp | Composite article containing high purity hot pressed boron nitride |
| US3734997A (en) * | 1971-10-04 | 1973-05-22 | Union Carbide Corp | High purity hot pressed boron nitride |
| US4007251A (en) * | 1972-09-19 | 1977-02-08 | Allmanna Svenska Elektriska Aktiebolaget | Method of manufacturing powder bodies of borides, carbides or nitrides |
| US3928244A (en) * | 1973-11-01 | 1975-12-23 | Gte Sylvania Inc | Electrically conductive refractory body |
| US4075276A (en) * | 1974-02-27 | 1978-02-21 | The Carborundum Company | Boron nitride-boron nitride composites |
| US4097567A (en) * | 1976-08-25 | 1978-06-27 | Aluminum Company Of America | Titanium diboride shapes |
| US4089931A (en) * | 1977-07-22 | 1978-05-16 | General Motors Corporation | Purification of boron nitride |
| US4268314A (en) * | 1979-12-21 | 1981-05-19 | Union Carbide Corporation | High density refractory composites and method of making |
| US4376742A (en) * | 1981-02-23 | 1983-03-15 | Systems Research Laboratories, Inc. | Fugitive liquid phase densification of silicon nitride |
-
1982
- 1982-12-22 US US06/452,183 patent/US4514355A/en not_active Expired - Fee Related
-
1983
- 1983-10-28 CA CA000439902A patent/CA1220617A/en not_active Expired
- 1983-12-19 DE DE3345832A patent/DE3345832C2/de not_active Expired
- 1983-12-21 JP JP58239992A patent/JPS59118828A/ja active Granted
- 1983-12-21 GB GB08334024A patent/GB2132227B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2132227A (en) | 1984-07-04 |
| CA1220617A (en) | 1987-04-21 |
| GB8334024D0 (en) | 1984-02-01 |
| US4514355A (en) | 1985-04-30 |
| JPS6229388B2 (OSRAM) | 1987-06-25 |
| JPS59118828A (ja) | 1984-07-09 |
| DE3345832A1 (de) | 1984-08-16 |
| GB2132227B (en) | 1986-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |