SE464872B - Foerfarande foer framstaellning av slipkornmaterial, enligt foerfarandet framstaellt slipkornmaterial samt anvaendning av detsamma - Google Patents
Foerfarande foer framstaellning av slipkornmaterial, enligt foerfarandet framstaellt slipkornmaterial samt anvaendning av detsammaInfo
- Publication number
- SE464872B SE464872B SE8604512A SE8604512A SE464872B SE 464872 B SE464872 B SE 464872B SE 8604512 A SE8604512 A SE 8604512A SE 8604512 A SE8604512 A SE 8604512A SE 464872 B SE464872 B SE 464872B
- Authority
- SE
- Sweden
- Prior art keywords
- alumina
- corundum
- abrasive grain
- sintered
- dried
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 29
- 239000000463 material Substances 0.000 title claims description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000000227 grinding Methods 0.000 title description 30
- 229910052593 corundum Inorganic materials 0.000 claims description 35
- 239000010431 corundum Substances 0.000 claims description 35
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 25
- 239000006061 abrasive grain Substances 0.000 claims description 12
- 238000005245 sintering Methods 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 8
- 235000012239 silicon dioxide Nutrition 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 6
- 239000004927 clay Substances 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical class [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 1
- 229910052804 chromium Inorganic materials 0.000 claims 1
- 239000011651 chromium Substances 0.000 claims 1
- 229910017052 cobalt Inorganic materials 0.000 claims 1
- 239000010941 cobalt Substances 0.000 claims 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000011777 magnesium Substances 0.000 claims 1
- 229910052749 magnesium Inorganic materials 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 239000011701 zinc Substances 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
- 239000003082 abrasive agent Substances 0.000 description 26
- 230000000694 effects Effects 0.000 description 16
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- 239000000835 fiber Substances 0.000 description 8
- 235000013339 cereals Nutrition 0.000 description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 235000013312 flour Nutrition 0.000 description 6
- 239000010453 quartz Substances 0.000 description 6
- 239000000395 magnesium oxide Substances 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 5
- 239000002689 soil Substances 0.000 description 4
- 229910052845 zircon Inorganic materials 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000011094 fiberboard Substances 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 150000004682 monohydrates Chemical class 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000007900 aqueous suspension Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 229910001610 cryolite Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- FGHSTPNOXKDLKU-UHFFFAOYSA-N nitric acid;hydrate Chemical compound O.O[N+]([O-])=O FGHSTPNOXKDLKU-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920003987 resole Polymers 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 229910052566 spinel group Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1409—Abrasive particles per se
- C09K3/1418—Abrasive particles per se obtained by division of a mass agglomerated by sintering
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863604848 DE3604848A1 (de) | 1986-02-15 | 1986-02-15 | Schleifkorn und verfahren zu seiner herstellung |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8604512D0 SE8604512D0 (sv) | 1986-10-22 |
SE8604512L SE8604512L (sv) | 1987-08-16 |
SE464872B true SE464872B (sv) | 1991-06-24 |
Family
ID=6294185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8604512A SE464872B (sv) | 1986-02-15 | 1986-10-22 | Foerfarande foer framstaellning av slipkornmaterial, enligt foerfarandet framstaellt slipkornmaterial samt anvaendning av detsamma |
Country Status (10)
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5076815A (en) * | 1989-07-07 | 1991-12-31 | Lonza Ltd. | Process for producing sintered material based on aluminum oxide and titanium oxide |
DE4028217A1 (de) * | 1990-06-01 | 1991-12-05 | Krupp Widia Gmbh | Keramikverbundkoerper, verfahren zur herstellung eines keramikverbundkoerpers und dessen verwendung |
DE4100167A1 (de) * | 1991-01-05 | 1992-07-16 | Ver Schmirgel & Maschf | Schleifmittel und verfahren zu seiner herstellung |
DE4333021C1 (de) * | 1993-09-29 | 1994-10-27 | B U S Chemie Gmbh | Verfahren zur Herstellung von Schmelzspinell MgO . Al¶2¶O¶3¶ aus Reststoffen |
EP0728123B1 (en) * | 1993-11-12 | 1999-03-31 | Minnesota Mining And Manufacturing Company | Abrasive grain and method for making the same |
US5593467A (en) * | 1993-11-12 | 1997-01-14 | Minnesota Mining And Manufacturing Company | Abrasive grain |
DE19503854C2 (de) * | 1995-02-06 | 1997-02-20 | Starck H C Gmbh Co Kg | Verfahren zur Herstellung gesinterter alpha-Al¶2¶O¶3¶-Körper sowie deren Verwendung |
US5611829A (en) * | 1995-06-20 | 1997-03-18 | Minnesota Mining And Manufacturing Company | Alpha alumina-based abrasive grain containing silica and iron oxide |
DE10061498A1 (de) * | 2000-12-08 | 2002-07-11 | Treibacher Schleifmittel Gmbh | Verfahren zur Herstellung von Korundschleifkorn auf Tonerdebasis mit erhöhter Zähigkeit sowie seine Verwendung in Schleifmitteln |
DE102016100196A1 (de) * | 2015-02-06 | 2016-08-11 | Center For Abrasives And Refractories Research & Development C.A.R.R.D. Gmbh | Geformte Sinterschleifkörner auf Basis von Aluminiumoxid mit Anteilen an mineralogischen Phasen bestehend aus Mullit, Tialit und/oder Armalcolit und Baddeleyit und/oder Srilankit sowie ein Verfahren zu ihrer Herstellung |
WO2017068283A1 (fr) * | 2015-10-19 | 2017-04-27 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | Grains fondus de zircone - spinelle et produit refractaire obtenu a partir desdits grains |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE932425C (de) * | 1951-08-28 | 1955-09-01 | Heinrich Van Dipl-Ing Thiel | Verfahren zur Herstellung von Poliertonerde |
GB944936A (en) * | 1960-11-11 | 1963-12-18 | Universal Grinding Wheel Compa | Sintered, aluminous abrasive |
US3909991A (en) * | 1970-09-22 | 1975-10-07 | Norton Co | Process for making sintered abrasive grains |
ZA723532B (en) * | 1971-06-03 | 1973-03-28 | Norton Co | Abrasive material |
FR2418700A1 (fr) * | 1978-03-02 | 1979-09-28 | Brueckner Trockentechnik Kg | Article pour polir des surfaces a criteres rigoureux |
US4314827A (en) * | 1979-06-29 | 1982-02-09 | Minnesota Mining And Manufacturing Company | Non-fused aluminum oxide-based abrasive mineral |
US4518397A (en) * | 1979-06-29 | 1985-05-21 | Minnesota Mining And Manufacturing Company | Articles containing non-fused aluminum oxide-based abrasive mineral |
DE3219607A1 (de) * | 1981-05-27 | 1982-12-23 | Kennecott Corp., 06904 Stamford, Conn. | Gesintertes schleifmittel und verfahren zu seiner herstellung |
US4543107A (en) * | 1984-08-08 | 1985-09-24 | Norton Company | Vitrified bonded grinding wheels containing sintered gel aluminous abrasive grits |
NZ210805A (en) * | 1984-01-19 | 1988-04-29 | Norton Co | Aluminous abrasive grits or shaped bodies |
DE3431636C1 (de) * | 1984-08-29 | 1985-10-17 | Reimbold & Strick GmbH & Co, 5000 Köln | Ringspalt-Kugelmuehle |
-
1986
- 1986-02-15 DE DE19863604848 patent/DE3604848A1/de active Granted
- 1986-10-15 AT AT0274886A patent/AT394857B/de not_active IP Right Cessation
- 1986-10-21 CH CH4185/86A patent/CH667082A5/de not_active IP Right Cessation
- 1986-10-21 NO NO864194A patent/NO167972C/no unknown
- 1986-10-22 SE SE8604512A patent/SE464872B/sv not_active IP Right Cessation
- 1986-11-20 GB GB8627768A patent/GB2186588B/en not_active Expired
- 1986-11-21 FR FR868616219A patent/FR2594433B1/fr not_active Expired - Fee Related
- 1986-11-21 JP JP61276904A patent/JPS62192480A/ja active Granted
- 1986-11-27 NL NL8603018A patent/NL8603018A/nl not_active Application Discontinuation
- 1986-12-17 IT IT85645/86A patent/IT1201911B/it active
Also Published As
Publication number | Publication date |
---|---|
SE8604512L (sv) | 1987-08-16 |
NO167972B (no) | 1991-09-23 |
IT8685645A0 (it) | 1986-12-17 |
JPS62192480A (ja) | 1987-08-24 |
FR2594433A1 (fr) | 1987-08-21 |
GB8627768D0 (en) | 1986-12-17 |
GB2186588B (en) | 1989-12-20 |
ATA274886A (de) | 1991-12-15 |
FR2594433B1 (fr) | 1992-08-07 |
JPH0240277B2 (enrdf_load_stackoverflow) | 1990-09-11 |
NL8603018A (nl) | 1987-09-01 |
NO167972C (no) | 1992-01-02 |
DE3604848A1 (de) | 1987-08-20 |
NO864194D0 (no) | 1986-10-21 |
NO864194L (no) | 1987-08-17 |
SE8604512D0 (sv) | 1986-10-22 |
GB2186588A (en) | 1987-08-19 |
IT1201911B (it) | 1989-02-02 |
DE3604848C2 (enrdf_load_stackoverflow) | 1988-03-10 |
CH667082A5 (de) | 1988-09-15 |
AT394857B (de) | 1992-07-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5259147A (en) | Granular abrasive material | |
JP2578809B2 (ja) | 微結晶性アルミナ研摩材の製造方法 | |
AU689827B2 (en) | Abrasive grain and method for making the same | |
JP5578784B2 (ja) | α−酸化アルミニウム・ベースのナノ結晶焼結体、その製造方法およびその使用 | |
TWI351334B (en) | Submicron alpha alumina high temperature bonded ab | |
WO1990008744A1 (en) | Alumina ceramic, abrasive material, and production thereof | |
JPH0397661A (ja) | 酸化アルミニウムを主材とする焼結材料、その製造方法およびその使用方法 | |
JP2006186381A (ja) | Cmp生成物 | |
JPH04336971A (ja) | 結合研磨体、研磨材粒子及びその製造方法 | |
JPS6140621B2 (enrdf_load_stackoverflow) | ||
SE464872B (sv) | Foerfarande foer framstaellning av slipkornmaterial, enligt foerfarandet framstaellt slipkornmaterial samt anvaendning av detsamma | |
CN101460587A (zh) | 基于经熔融的球形刚玉的磨粒 | |
US5424257A (en) | Ceramic moldings composed of aluminum oxide having high metallization adhesion | |
JP3280056B2 (ja) | 焼結微晶質セラミック材料およびその製造方法 | |
WO2019067761A1 (en) | ABRASIVE ARTICLE CONTAINING NON-AGGLOMERATED ABRASIVE PARTICLES COMPRISING SILICON CARBIDE AND INORGANIC BINDING MATERIAL | |
KR102011586B1 (ko) | 다결정성 연마 구조물 | |
JPS60231462A (ja) | 研摩材料および製法 | |
WO2016081552A1 (en) | Ceramic powders with controlled size distribution | |
JPH04159386A (ja) | 研磨用砥粒の製造方法 | |
KR102846371B1 (ko) | 다결정 알루미나질 지립 및 그 제조 방법, 및 숫돌 | |
JPH04159387A (ja) | アルミナ質研磨砥粒の製造方法 | |
JP2779041B2 (ja) | 酸化クロムを添加した微結晶構造アルミナ焼結研摩材及びその製法 | |
JPH08198664A (ja) | アルミナ基焼結体およびその製造方法 | |
WO2024050006A1 (en) | Abrasive agglomerates having cubic boron nitride, abrasive article including abrasive agglomerates including cubic boron nitride and methods of forming | |
JP2002211972A (ja) | 高密度配向コーディエライト焼結体の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAL | Patent in force |
Ref document number: 8604512-7 Format of ref document f/p: F |
|
NUG | Patent has lapsed |
Ref document number: 8604512-7 Format of ref document f/p: F |