TW408105B - A process for the production of methylbenzofuran (MBF) impurities in phenol obtained from decomposition product of cumene hydroperoxide - Google Patents
A process for the production of methylbenzofuran (MBF) impurities in phenol obtained from decomposition product of cumene hydroperoxide Download PDFInfo
- Publication number
- TW408105B TW408105B TW084104656A TW84104656A TW408105B TW 408105 B TW408105 B TW 408105B TW 084104656 A TW084104656 A TW 084104656A TW 84104656 A TW84104656 A TW 84104656A TW 408105 B TW408105 B TW 408105B
- Authority
- TW
- Taiwan
- Prior art keywords
- phenol
- content
- acetol
- ppm
- resin
- Prior art date
Links
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 31
- GBGPVUAOTCNZPT-UHFFFAOYSA-N 2-Methylcumarone Chemical compound C1=CC=C2OC(C)=CC2=C1 GBGPVUAOTCNZPT-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000012535 impurity Substances 0.000 title claims abstract description 15
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 12
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 title abstract description 11
- 238000004519 manufacturing process Methods 0.000 title description 2
- 229920005989 resin Polymers 0.000 claims abstract description 51
- 239000011347 resin Substances 0.000 claims abstract description 51
- XLSMFKSTNGKWQX-UHFFFAOYSA-N hydroxyacetone Chemical compound CC(=O)CO XLSMFKSTNGKWQX-UHFFFAOYSA-N 0.000 claims abstract description 47
- 150000001875 compounds Chemical class 0.000 claims abstract description 25
- 239000002253 acid Substances 0.000 claims abstract description 23
- 238000009835 boiling Methods 0.000 claims abstract description 18
- 150000001412 amines Chemical class 0.000 claims abstract description 11
- 230000002378 acidificating effect Effects 0.000 claims description 17
- RWGFKTVRMDUZSP-UHFFFAOYSA-N isopropyl-benzene Natural products CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 claims description 17
- 239000003054 catalyst Substances 0.000 claims description 10
- 238000011049 filling Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 230000002079 cooperative effect Effects 0.000 claims description 5
- 239000003930 superacid Substances 0.000 claims description 5
- -1 cumene hydrogen Chemical class 0.000 claims description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims 2
- GSRFPZLAJMPCOU-UHFFFAOYSA-N benzene 1-benzofuran Chemical compound C1=CC=CC=C1.C1=CC=C2OC=CC2=C1 GSRFPZLAJMPCOU-UHFFFAOYSA-N 0.000 claims 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 150000002978 peroxides Chemical class 0.000 claims 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 17
- 239000000047 product Substances 0.000 description 16
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- YZUPZGFPHUVJKC-UHFFFAOYSA-N 1-bromo-2-methoxyethane Chemical compound COCCBr YZUPZGFPHUVJKC-UHFFFAOYSA-N 0.000 description 2
- ZWAMZDRREBOHIO-UHFFFAOYSA-N 1-ethylpyrene Chemical compound C1=C2C(CC)=CC=C(C=C3)C2=C2C3=CC=CC2=C1 ZWAMZDRREBOHIO-UHFFFAOYSA-N 0.000 description 2
- OITGKVBQAFYQLG-UHFFFAOYSA-N 2-[(3-methylphenyl)methyl]furan Chemical compound CC1=CC=CC(CC=2OC=CC=2)=C1 OITGKVBQAFYQLG-UHFFFAOYSA-N 0.000 description 2
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 2
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 2
- 239000003729 cation exchange resin Substances 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000003480 eluent Substances 0.000 description 2
- FWQHNLCNFPYBCA-UHFFFAOYSA-N fluoran Chemical compound C12=CC=CC=C2OC2=CC=CC=C2C11OC(=O)C2=CC=CC=C21 FWQHNLCNFPYBCA-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 150000002632 lipids Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004811 liquid chromatography Methods 0.000 description 2
- 150000004706 metal oxides Chemical group 0.000 description 2
- 125000006178 methyl benzyl group Chemical group 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- YTJSFYQNRXLOIC-UHFFFAOYSA-N octadecylsilane Chemical compound CCCCCCCCCCCCCCCCCC[SiH3] YTJSFYQNRXLOIC-UHFFFAOYSA-N 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 239000011973 solid acid Substances 0.000 description 2
- 238000001256 steam distillation Methods 0.000 description 2
- 229910052722 tritium Inorganic materials 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- CYEDGXSCQSIYAY-UHFFFAOYSA-N 3-methyl-2h-chromene Chemical compound C1=CC=C2OCC(C)=CC2=C1 CYEDGXSCQSIYAY-UHFFFAOYSA-N 0.000 description 1
- LOCGAKKLRVLQAM-UHFFFAOYSA-N 4-methylphenanthrene Chemical compound C1=CC=CC2=C3C(C)=CC=CC3=CC=C21 LOCGAKKLRVLQAM-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- VGVFQPRQKLMTGD-UHFFFAOYSA-N N.N.[Bi+3] Chemical compound N.N.[Bi+3] VGVFQPRQKLMTGD-UHFFFAOYSA-N 0.000 description 1
- 101000579647 Penaeus vannamei Penaeidin-2a Proteins 0.000 description 1
- XDDQNOKKZKHBIX-ASBZXGSUSA-N Temocapril hydrochloride Chemical compound Cl.C([C@@H](C(=O)OCC)N[C@@H]1C(N(CC(O)=O)C[C@H](SC1)C=1SC=CC=1)=O)CC1=CC=CC=C1 XDDQNOKKZKHBIX-ASBZXGSUSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- GVJHHUAWPYXKBD-UHFFFAOYSA-N d-alpha-tocopherol Natural products OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 150000002240 furans Chemical class 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- DOWJXOHBNXRUOD-UHFFFAOYSA-N methylphenanthrene Natural products C1=CC2=CC=CC=C2C2=C1C(C)=CC=C2 DOWJXOHBNXRUOD-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 229960001295 tocopherol Drugs 0.000 description 1
- 229930003799 tocopherol Natural products 0.000 description 1
- 235000010384 tocopherol Nutrition 0.000 description 1
- 239000011732 tocopherol Substances 0.000 description 1
- GVJHHUAWPYXKBD-IEOSBIPESA-N α-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-IEOSBIPESA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/86—Purification; separation; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/08—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by decomposition of hydroperoxides, e.g. cumene hydroperoxide
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/685—Processes comprising at least two steps in series
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/254,729 US5414154A (en) | 1994-06-06 | 1994-06-06 | Phenol with low levels of methylbenzofuran |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW408105B true TW408105B (en) | 2000-10-11 |
Family
ID=22965364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW084104656A TW408105B (en) | 1994-06-06 | 1995-05-11 | A process for the production of methylbenzofuran (MBF) impurities in phenol obtained from decomposition product of cumene hydroperoxide |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5414154A (en, 2012) |
| EP (1) | EP0764146B1 (en, 2012) |
| JP (1) | JP2888260B2 (en, 2012) |
| KR (1) | KR100365103B1 (en, 2012) |
| CN (1) | CN1073070C (en, 2012) |
| DE (1) | DE69511271T2 (en, 2012) |
| ES (1) | ES2134473T3 (en, 2012) |
| IN (1) | IN191201B (en, 2012) |
| RU (1) | RU2134681C1 (en, 2012) |
| TW (1) | TW408105B (en, 2012) |
| WO (1) | WO1995033703A1 (en, 2012) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19951373A1 (de) * | 1999-10-26 | 2001-05-03 | Phenolchemie Gmbh & Co Kg | Verfahren zur Entfernung von Verunreinigungen aus Phenol mittels zumindest eines sauren Katalysators |
| US6388144B1 (en) * | 2001-06-15 | 2002-05-14 | Sunoco, Inc. (R&M) | Method for reducing methylbenzofuran levels in high purity phenol |
| US6573408B1 (en) | 2001-11-29 | 2003-06-03 | General Electric Company | System and method for purifying cumene hydroperoxide cleavage products |
| US6576798B1 (en) | 2001-11-29 | 2003-06-10 | General Electric Company | Method and system for purifying cumene hydroperoxide cleavage products |
| AU2003222202A1 (en) * | 2002-02-08 | 2003-09-02 | General Electric Company | Process and catalyst for purifying phenol |
| RU2217409C2 (ru) * | 2002-02-08 | 2003-11-27 | Общество с ограниченной ответственностью "Петрофенол" | Способ и катализатор получения паракумилфенола |
| RU2217408C2 (ru) * | 2002-02-08 | 2003-11-27 | Общество с ограниченной ответственностью "Петрофенол" | Способ и катализатор очистки фенола |
| US6703530B2 (en) * | 2002-02-28 | 2004-03-09 | General Electric Company | Chemical reactor system and process |
| US6635789B2 (en) * | 2002-03-06 | 2003-10-21 | General Electric Company | Production and purification of phenol |
| US6486365B1 (en) * | 2002-04-04 | 2002-11-26 | General Electric Company | Production and purification of phenol: hydroxyacetone removal by hydrotalcite |
| US7019180B2 (en) * | 2003-02-06 | 2006-03-28 | Shell Oil Company | Method of purifying phenol |
| US7205442B2 (en) * | 2003-02-06 | 2007-04-17 | Shell Oil Company | Method of making high purity phenol |
| US20050137429A1 (en) * | 2003-12-18 | 2005-06-23 | Tatake Prashant A. | Methods for purification of phenol |
| US7034192B2 (en) * | 2004-03-24 | 2006-04-25 | Sunoco Inc. (R&M) | Method for removal of acetol from phenol |
| EP1732869A1 (en) * | 2004-03-31 | 2006-12-20 | General Electric Company A Corporation of the State of New York | Process for producing phenol |
| US7186866B1 (en) | 2005-11-14 | 2007-03-06 | Sunoco, Inc. (R&M) | Process for recovery of cumene hydroperoxide decomposition products by distillation |
| EP1847522A1 (en) * | 2006-04-18 | 2007-10-24 | INEOS Phenol GmbH & Co. KG | Process for removal of hydroxyacetone from phenol |
| US20070244346A1 (en) * | 2006-04-18 | 2007-10-18 | Ineos Phenol Gmbh & Co. Kg | Process for removal of hydroxyacetone from phenol |
| US7544845B2 (en) * | 2006-04-18 | 2009-06-09 | Ineos Phenol Gmbh & Co. Kg | Process for treating phenol |
| EP1847523A1 (en) * | 2006-04-18 | 2007-10-24 | INEOS Phenol GmbH & Co. KG | Method for treating phenol |
| WO2009080875A2 (en) * | 2007-12-20 | 2009-07-02 | Borealis Technology Oy | Recovery of organic compounds from a wastewater stream |
| JP6074902B2 (ja) * | 2012-03-28 | 2017-02-08 | 三菱化学株式会社 | 精製フェノール系化合物の製造方法 |
| CN105949037B (zh) * | 2016-03-23 | 2019-01-25 | 中国科学院过程工程研究所 | 一种焦化粗酚精制方法 |
| CN112079691A (zh) * | 2020-09-17 | 2020-12-15 | 吉化集团油脂化工有限公司 | 提升苯酚产品质量的方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE134427C (en, 2012) * | ||||
| US3029294A (en) * | 1959-02-27 | 1962-04-10 | Hercules Powder Co Ltd | Purification of phenol |
| GB1108584A (en) * | 1964-08-03 | 1968-04-03 | Universal Oil Prod Co | Process for the purification of phenols |
| GB1108327A (en) * | 1964-08-05 | 1968-04-03 | Universal Oil Prod Co | Process for purifying phenols |
| GB1148907A (en) * | 1965-11-26 | 1969-04-16 | Ici Ltd | Purification of phenol |
| DE1668952A1 (de) * | 1968-01-13 | 1969-11-27 | Phenolchemie Gmbh | Verfahren zur Gewinnung von Reinphenolen aus Rohphenolen,die bei der Spaltung von Hydroperoxiden alkylaromatischer Kohlenwasserstoffe erhalten worden sind |
| US3692845A (en) * | 1969-03-12 | 1972-09-19 | Allied Chem | Purification of phenol |
| US3810946A (en) * | 1972-11-03 | 1974-05-14 | Allied Chem | Purification of phenol |
| US4298765A (en) * | 1980-03-26 | 1981-11-03 | Allied Corporation | Purification of phenol with reduced energy consumption |
| US4857151A (en) * | 1982-06-28 | 1989-08-15 | The Lummus Company | Phenol purification |
| US4634796A (en) * | 1985-03-25 | 1987-01-06 | Lummus Crest, Inc. | Production of high purity phenol |
| US5064507A (en) * | 1990-09-27 | 1991-11-12 | Allied-Signal Inc. | Distillation process for recovery of high purity phenol |
-
1994
- 1994-06-06 US US08/254,729 patent/US5414154A/en not_active Expired - Lifetime
-
1995
- 1995-04-28 IN IN792DE1995 patent/IN191201B/en unknown
- 1995-05-03 RU RU97100166A patent/RU2134681C1/ru active
- 1995-05-03 ES ES95918294T patent/ES2134473T3/es not_active Expired - Lifetime
- 1995-05-03 KR KR1019960706431A patent/KR100365103B1/ko not_active Expired - Lifetime
- 1995-05-03 CN CN95193451A patent/CN1073070C/zh not_active Expired - Lifetime
- 1995-05-03 WO PCT/US1995/005081 patent/WO1995033703A1/en active IP Right Grant
- 1995-05-03 JP JP8500849A patent/JP2888260B2/ja not_active Expired - Fee Related
- 1995-05-03 DE DE69511271T patent/DE69511271T2/de not_active Expired - Lifetime
- 1995-05-03 EP EP95918294A patent/EP0764146B1/en not_active Expired - Lifetime
- 1995-05-11 TW TW084104656A patent/TW408105B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09506636A (ja) | 1997-06-30 |
| CN1155879A (zh) | 1997-07-30 |
| DE69511271T2 (de) | 2000-01-05 |
| EP0764146A1 (en) | 1997-03-26 |
| US5414154A (en) | 1995-05-09 |
| KR100365103B1 (ko) | 2003-06-02 |
| CN1073070C (zh) | 2001-10-17 |
| KR970703296A (ko) | 1997-07-03 |
| ES2134473T3 (es) | 1999-10-01 |
| JP2888260B2 (ja) | 1999-05-10 |
| WO1995033703A1 (en) | 1995-12-14 |
| DE69511271D1 (de) | 1999-09-09 |
| IN191201B (en, 2012) | 2003-10-04 |
| RU2134681C1 (ru) | 1999-08-20 |
| EP0764146B1 (en) | 1999-08-04 |
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