NO310303B1 - Fremgangsmåte for fremstilling av karbonartikler fra solvatisert mesofasebek og den solvatiserte mesofasebek - Google Patents
Fremgangsmåte for fremstilling av karbonartikler fra solvatisert mesofasebek og den solvatiserte mesofasebek Download PDFInfo
- Publication number
- NO310303B1 NO310303B1 NO19944653A NO944653A NO310303B1 NO 310303 B1 NO310303 B1 NO 310303B1 NO 19944653 A NO19944653 A NO 19944653A NO 944653 A NO944653 A NO 944653A NO 310303 B1 NO310303 B1 NO 310303B1
- Authority
- NO
- Norway
- Prior art keywords
- pitch
- mesophase
- solvent
- mesophase pitch
- solvated
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 47
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 11
- 229910052799 carbon Inorganic materials 0.000 title claims description 11
- 238000002360 preparation method Methods 0.000 title description 3
- 239000011302 mesophase pitch Substances 0.000 claims description 122
- 239000011295 pitch Substances 0.000 claims description 119
- 239000002904 solvent Substances 0.000 claims description 83
- 239000000203 mixture Substances 0.000 claims description 35
- 238000010438 heat treatment Methods 0.000 claims description 27
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 claims description 27
- 238000002844 melting Methods 0.000 claims description 22
- 230000008018 melting Effects 0.000 claims description 21
- 239000002195 soluble material Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 17
- 238000000605 extraction Methods 0.000 claims description 12
- 238000003763 carbonization Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 11
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 238000005191 phase separation Methods 0.000 claims description 9
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 230000001590 oxidative effect Effects 0.000 claims description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 239000002198 insoluble material Substances 0.000 claims description 6
- 239000003208 petroleum Substances 0.000 claims description 5
- 239000012453 solvate Substances 0.000 claims description 5
- XXPBFNVKTVJZKF-UHFFFAOYSA-N 9,10-dihydrophenanthrene Chemical compound C1=CC=C2CCC3=CC=CC=C3C2=C1 XXPBFNVKTVJZKF-UHFFFAOYSA-N 0.000 claims description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 239000008096 xylene Substances 0.000 claims description 4
- 238000010923 batch production Methods 0.000 claims description 3
- 238000010000 carbonizing Methods 0.000 claims description 3
- 238000010924 continuous production Methods 0.000 claims description 3
- 238000013007 heat curing Methods 0.000 claims description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 238000007614 solvation Methods 0.000 claims description 2
- 239000010692 aromatic oil Substances 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- -1 natracene Chemical compound 0.000 claims 1
- 239000010742 number 1 fuel oil Substances 0.000 claims 1
- 238000011084 recovery Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 20
- 239000000463 material Substances 0.000 description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 239000002994 raw material Substances 0.000 description 10
- 229920000049 Carbon (fiber) Polymers 0.000 description 7
- 239000004917 carbon fiber Substances 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000009987 spinning Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 239000000835 fiber Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 230000008719 thickening Effects 0.000 description 6
- 239000000571 coke Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- 239000000470 constituent Substances 0.000 description 4
- 239000011331 needle coke Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 3
- 238000007664 blowing Methods 0.000 description 3
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000011316 heat-treated pitch Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 239000003039 volatile agent Substances 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005087 graphitization Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011877 solvent mixture Substances 0.000 description 2
- 239000011269 tar Substances 0.000 description 2
- 238000001291 vacuum drying Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000011337 anisotropic pitch Substances 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000005539 carbonized material Substances 0.000 description 1
- 239000011336 carbonized pitch Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011294 coal tar pitch Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004807 desolvation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000000194 supercritical-fluid extraction Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/145—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from pitch or distillation residues
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Textile Engineering (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Working-Up Tar And Pitch (AREA)
- Carbon And Carbon Compounds (AREA)
- Inorganic Fibers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US89450192A | 1992-06-04 | 1992-06-04 | |
| PCT/US1993/004941 WO1993024590A1 (en) | 1992-06-04 | 1993-05-25 | Process for producing solvated mesophase pitch and carbon artifacts therefrom |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO944653L NO944653L (no) | 1994-12-02 |
| NO944653D0 NO944653D0 (no) | 1994-12-02 |
| NO310303B1 true NO310303B1 (no) | 2001-06-18 |
Family
ID=25403164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19944653A NO310303B1 (no) | 1992-06-04 | 1994-12-02 | Fremgangsmåte for fremstilling av karbonartikler fra solvatisert mesofasebek og den solvatiserte mesofasebek |
Country Status (15)
| Country | Link |
|---|---|
| US (2) | US5540903A (ru) |
| EP (1) | EP0643755B1 (ru) |
| JP (1) | JP3609406B2 (ru) |
| KR (1) | KR100268024B1 (ru) |
| CN (2) | CN1034221C (ru) |
| AU (1) | AU662644B2 (ru) |
| CA (1) | CA2135933C (ru) |
| DE (1) | DE69308134T2 (ru) |
| ID (1) | ID27420A (ru) |
| MY (1) | MY107785A (ru) |
| NO (1) | NO310303B1 (ru) |
| NZ (1) | NZ247709A (ru) |
| RU (1) | RU2104293C1 (ru) |
| TW (1) | TW502061B (ru) |
| WO (1) | WO1993024590A1 (ru) |
Families Citing this family (39)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2156675C (en) * | 1994-08-23 | 1999-03-09 | Naohiro Sonobe | Carbonaceous electrode material for secondary battery |
| DE69832873T2 (de) | 1997-04-09 | 2006-08-24 | Conocophillips Co., Houston | Stabilisierung von pechfasern bei hoher temperatur und schwacher oxidation |
| US6123829A (en) * | 1998-03-31 | 2000-09-26 | Conoco Inc. | High temperature, low oxidation stabilization of pitch fibers |
| KR100271033B1 (ko) * | 1997-07-30 | 2000-11-01 | 우종일 | 탄소재료의 제조방법 |
| US6673328B1 (en) * | 2000-03-06 | 2004-01-06 | Ut-Battelle, Llc | Pitch-based carbon foam and composites and uses thereof |
| US6780505B1 (en) | 1997-09-02 | 2004-08-24 | Ut-Battelle, Llc | Pitch-based carbon foam heat sink with phase change material |
| US6033506A (en) | 1997-09-02 | 2000-03-07 | Lockheed Martin Engery Research Corporation | Process for making carbon foam |
| US6037032A (en) | 1997-09-02 | 2000-03-14 | Lockheed Martin Energy Research Corp. | Pitch-based carbon foam heat sink with phase change material |
| US6315974B1 (en) * | 1997-11-14 | 2001-11-13 | Alliedsignal Inc. | Method for making a pitch-based foam |
| US7147214B2 (en) * | 2000-01-24 | 2006-12-12 | Ut-Battelle, Llc | Humidifier for fuel cell using high conductivity carbon foam |
| US6717021B2 (en) | 2000-06-13 | 2004-04-06 | Conocophillips Company | Solvating component and solvent system for mesophase pitch |
| WO2002040754A1 (en) * | 2000-11-15 | 2002-05-23 | Conoco Inc. | Pre-spinning treatment process for solvated mesophase pitch |
| JP2004536235A (ja) * | 2001-06-05 | 2004-12-02 | コノコフィリップス カンパニー | ポリフィラメント炭素繊維およびそのフラッシュ紡糸方法 |
| US7537824B2 (en) * | 2002-10-24 | 2009-05-26 | Borgwarner, Inc. | Wet friction material with pitch carbon fiber |
| US8021744B2 (en) | 2004-06-18 | 2011-09-20 | Borgwarner Inc. | Fully fibrous structure friction material |
| US7429418B2 (en) | 2004-07-26 | 2008-09-30 | Borgwarner, Inc. | Porous friction material comprising nanoparticles of friction modifying material |
| US8603614B2 (en) | 2004-07-26 | 2013-12-10 | Borgwarner Inc. | Porous friction material with nanoparticles of friction modifying material |
| WO2006116474A2 (en) | 2005-04-26 | 2006-11-02 | Borgwarner Inc. | Friction material |
| WO2007055951A1 (en) | 2005-11-02 | 2007-05-18 | Borgwarner Inc. | Carbon friction materials |
| KR100653929B1 (ko) | 2005-11-23 | 2006-12-08 | 주식회사 씨알-텍 | 탄소섬유강화 탄소 복합재료 (탄소/탄소 복합재) 제조용기질피치 제조방법 |
| CN1978786B (zh) * | 2005-12-09 | 2012-05-30 | 中国印钞造币总公司 | 一种防伪水印纸及其制造方法 |
| DE102008013907B4 (de) | 2008-03-12 | 2016-03-10 | Borgwarner Inc. | Reibschlüssig arbeitende Vorrichtung mit mindestens einer Reiblamelle |
| DE102009030506A1 (de) | 2008-06-30 | 2009-12-31 | Borgwarner Inc., Auburn Hills | Reibungsmaterialien |
| RU2443624C2 (ru) * | 2009-10-29 | 2012-02-27 | Общество с ограниченной ответственностью "Графиты и углеродные материалы" | Способ получения мезофазного углеродного порошка |
| KR101094785B1 (ko) * | 2010-02-19 | 2011-12-20 | 국방과학연구소 | 탄소-탄소 복합재 함침용 피치의 제조방법 |
| US10113400B2 (en) | 2011-02-09 | 2018-10-30 | Saudi Arabian Oil Company | Sequential fully implicit well model with tridiagonal matrix structure for reservoir simulation |
| US9164191B2 (en) | 2011-02-09 | 2015-10-20 | Saudi Arabian Oil Company | Sequential fully implicit well model for reservoir simulation |
| KR101321077B1 (ko) * | 2011-12-26 | 2013-10-23 | 재단법인 포항산업과학연구원 | 침상 코크스 원료의 정제 방법 |
| CN102942945B (zh) * | 2012-11-15 | 2014-05-28 | 四川创越炭材料有限公司 | 一种可溶性中间相沥青的制备方法 |
| CN103396819B (zh) * | 2013-07-26 | 2014-10-29 | 中国矿业大学 | 一种基于源质的煤基碳质中间相制备方法 |
| CN104388109B (zh) * | 2014-12-11 | 2016-06-01 | 厦门大学 | 一种可溶中间相沥青的制备方法 |
| US10508240B2 (en) * | 2017-06-19 | 2019-12-17 | Saudi Arabian Oil Company | Integrated thermal processing for mesophase pitch production, asphaltene removal, and crude oil and residue upgrading |
| US10913901B2 (en) | 2017-09-12 | 2021-02-09 | Saudi Arabian Oil Company | Integrated process for mesophase pitch and petrochemical production |
| CN109135789B (zh) * | 2018-08-16 | 2021-09-28 | 中钢集团鞍山热能研究院有限公司 | 一种中低温煤焦油制备针状焦的方法 |
| KR102455988B1 (ko) * | 2020-10-08 | 2022-10-18 | 재단법인 포항산업과학연구원 | 석탄계 원료의 정제방법 |
| KR102474281B1 (ko) * | 2020-11-02 | 2022-12-06 | 한국화학연구원 | 메조겐분리 방식을 포함하는 중질유 유래 탄소섬유용 이방성피치의 제조방법 |
| KR102565168B1 (ko) * | 2021-07-01 | 2023-08-08 | 한국화학연구원 | 고수율 메조페이스 피치 제조방법 및 이로부터 제조된 메조페이스 피치 |
| CN114989851B (zh) * | 2022-05-25 | 2023-12-15 | 武汉科技大学 | 一种泡沫炭前驱体、石墨泡沫炭及其制备方法 |
| KR102630831B1 (ko) * | 2023-06-22 | 2024-01-29 | 주)씨에스캠 | 중유의 탄화물질 제거장치 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4005183A (en) * | 1972-03-30 | 1977-01-25 | Union Carbide Corporation | High modulus, high strength carbon fibers produced from mesophase pitch |
| US4026788A (en) * | 1973-12-11 | 1977-05-31 | Union Carbide Corporation | Process for producing mesophase pitch |
| US4208267A (en) * | 1977-07-08 | 1980-06-17 | Exxon Research & Engineering Co. | Forming optically anisotropic pitches |
| US4209500A (en) * | 1977-10-03 | 1980-06-24 | Union Carbide Corporation | Low molecular weight mesophase pitch |
| US4277325A (en) * | 1979-04-13 | 1981-07-07 | Exxon Research & Engineering Co. | Treatment of pitches in carbon artifact manufacture |
| US4277324A (en) * | 1979-04-13 | 1981-07-07 | Exxon Research & Engineering Co. | Treatment of pitches in carbon artifact manufacture |
| US4283269A (en) * | 1979-04-13 | 1981-08-11 | Exxon Research & Engineering Co. | Process for the production of a feedstock for carbon artifact manufacture |
| JPS5657881A (en) * | 1979-09-28 | 1981-05-20 | Union Carbide Corp | Manufacture of intermediate phase pitch and carbon fiber |
| US4464248A (en) * | 1981-08-11 | 1984-08-07 | Exxon Research & Engineering Co. | Process for production of carbon artifact feedstocks |
| US4511625A (en) * | 1982-09-30 | 1985-04-16 | Union Carbide Corporation | Physical conversion of latent mesophase molecules to oriented molecules |
| JPS60200816A (ja) * | 1984-03-26 | 1985-10-11 | Kawasaki Steel Corp | 炭素材料の製造方法 |
| JPS62270685A (ja) * | 1986-05-19 | 1987-11-25 | Maruzen Petrochem Co Ltd | メソフェ−ズピッチの製造法 |
| CA1302934C (en) * | 1987-06-18 | 1992-06-09 | Masatoshi Tsuchitani | Process for preparing pitches |
| EP0308824B1 (en) * | 1987-09-18 | 1992-12-23 | Mitsubishi Petrochemical Co., Ltd. | Production of carbonaceous powders and their granulation |
| US4990285A (en) * | 1988-02-22 | 1991-02-05 | E. I. Du Pont De Nemours And Company | Balanced ultra-high modulus and high tensile strength carbon fibers |
| US5032250A (en) * | 1988-12-22 | 1991-07-16 | Conoco Inc. | Process for isolating mesophase pitch |
| US5259947A (en) * | 1990-12-21 | 1993-11-09 | Conoco Inc. | Solvated mesophase pitches |
| US5437780A (en) * | 1993-10-12 | 1995-08-01 | Conoco Inc. | Process for making solvated mesophase pitch |
-
1993
- 1993-05-25 AU AU43898/93A patent/AU662644B2/en not_active Expired
- 1993-05-25 DE DE69308134T patent/DE69308134T2/de not_active Expired - Lifetime
- 1993-05-25 JP JP50070694A patent/JP3609406B2/ja not_active Expired - Lifetime
- 1993-05-25 WO PCT/US1993/004941 patent/WO1993024590A1/en active IP Right Grant
- 1993-05-25 KR KR1019940704392A patent/KR100268024B1/ko not_active IP Right Cessation
- 1993-05-25 RU RU94046431A patent/RU2104293C1/ru not_active IP Right Cessation
- 1993-05-25 EP EP93914127A patent/EP0643755B1/en not_active Expired - Lifetime
- 1993-05-25 CA CA002135933A patent/CA2135933C/en not_active Expired - Lifetime
- 1993-05-25 TW TW082104114A patent/TW502061B/zh not_active IP Right Cessation
- 1993-05-26 NZ NZ247709A patent/NZ247709A/en not_active IP Right Cessation
- 1993-05-28 MY MYPI93001017A patent/MY107785A/en unknown
- 1993-06-03 CN CN93108271A patent/CN1034221C/zh not_active Expired - Lifetime
- 1993-06-04 ID IDP2001020993D patent/ID27420A/id unknown
-
1994
- 1994-11-08 US US08/336,141 patent/US5540903A/en not_active Expired - Lifetime
- 1994-12-02 NO NO19944653A patent/NO310303B1/no not_active IP Right Cessation
-
1995
- 1995-05-24 US US08/448,905 patent/US5540832A/en not_active Expired - Lifetime
-
1996
- 1996-05-18 CN CN96106642A patent/CN1067098C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| TW502061B (en) | 2002-09-11 |
| NO944653L (no) | 1994-12-02 |
| US5540832A (en) | 1996-07-30 |
| KR100268024B1 (ko) | 2000-11-01 |
| CN1034221C (zh) | 1997-03-12 |
| AU4389893A (en) | 1993-12-30 |
| CA2135933C (en) | 1999-03-30 |
| MY107785A (en) | 1996-06-15 |
| RU2104293C1 (ru) | 1998-02-10 |
| CN1139145A (zh) | 1997-01-01 |
| NZ247709A (en) | 1995-02-24 |
| CA2135933A1 (en) | 1993-12-09 |
| EP0643755B1 (en) | 1997-02-12 |
| DE69308134T2 (de) | 1997-08-07 |
| NO944653D0 (no) | 1994-12-02 |
| RU94046431A (ru) | 1996-09-27 |
| AU662644B2 (en) | 1995-09-07 |
| DE69308134D1 (de) | 1997-03-27 |
| CN1067098C (zh) | 2001-06-13 |
| ID27420A (id) | 1993-12-02 |
| US5540903A (en) | 1996-07-30 |
| EP0643755A1 (en) | 1995-03-22 |
| JPH07507351A (ja) | 1995-08-10 |
| JP3609406B2 (ja) | 2005-01-12 |
| WO1993024590A1 (en) | 1993-12-09 |
| CN1083511A (zh) | 1994-03-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NO310303B1 (no) | Fremgangsmåte for fremstilling av karbonartikler fra solvatisert mesofasebek og den solvatiserte mesofasebek | |
| US5437780A (en) | Process for making solvated mesophase pitch | |
| US4184942A (en) | Neomesophase formation | |
| KR930005525B1 (ko) | 중간상 피치(Pitch)의 제조방법 | |
| JPH0258317B2 (ru) | ||
| JPH0153317B2 (ru) | ||
| NO309612B1 (no) | Solvatisert mesofase-bek, fremgangsmåte for fremstilling derav og fremgangsmåte for gjenvinning derav, samt anvendelse derav | |
| US5501788A (en) | Self-stabilizing pitch for carbon fiber manufacture | |
| JPS61238885A (ja) | 炭素製品製造用素原料の精製法 | |
| JPH0336869B2 (ru) | ||
| GB2075049A (en) | Preparation of A Pitch for Carbon Artifact Manufacture | |
| JPH0456077B2 (ru) | ||
| US4414096A (en) | Carbon precursor by hydroheat-soaking of steam cracker tar | |
| EP0865411B1 (en) | Self-stabilizing pitch for carbon fiber manufacture | |
| JPH0948978A (ja) | 溶媒和されたメソフェーズピッチを製造するための改良された方法 | |
| JPS61287961A (ja) | 炭素繊維用前駆体ピツチ | |
| JPH0260712B2 (ru) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |