DE68900211D1 - Verfahren zur herstellung von 4,4'-dihydroxydiphenylmethan. - Google Patents

Verfahren zur herstellung von 4,4'-dihydroxydiphenylmethan.

Info

Publication number
DE68900211D1
DE68900211D1 DE8989103669T DE68900211T DE68900211D1 DE 68900211 D1 DE68900211 D1 DE 68900211D1 DE 8989103669 T DE8989103669 T DE 8989103669T DE 68900211 T DE68900211 T DE 68900211T DE 68900211 D1 DE68900211 D1 DE 68900211D1
Authority
DE
Germany
Prior art keywords
dihydroxydiphenylmethane
producing
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 - Fee Related
Application number
DE8989103669T
Other languages
English (en)
Inventor
Ltd Imanari
Ltd Iwane
Ltd Sugawara
Ltd Ohtaka
Ltd Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Petrochemical Co Ltd
Original Assignee
Mitsubishi Petrochemical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Petrochemical Co Ltd filed Critical Mitsubishi Petrochemical Co Ltd
Application granted granted Critical
Publication of DE68900211D1 publication Critical patent/DE68900211D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
    • C07C37/20—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones
    • 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
    • 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
    • C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE8989103669T 1988-03-04 1989-03-02 Verfahren zur herstellung von 4,4'-dihydroxydiphenylmethan. Expired - Fee Related DE68900211D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63051240A JPH01226842A (ja) 1988-03-04 1988-03-04 ジヒドロキシジフェニルメタンの分離方法

Publications (1)

Publication Number Publication Date
DE68900211D1 true DE68900211D1 (de) 1991-09-26

Family

ID=12881422

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989103669T Expired - Fee Related DE68900211D1 (de) 1988-03-04 1989-03-02 Verfahren zur herstellung von 4,4'-dihydroxydiphenylmethan.

Country Status (4)

Country Link
US (1) US4937392A (de)
EP (1) EP0331173B1 (de)
JP (1) JPH01226842A (de)
DE (1) DE68900211D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0557999A3 (en) * 1992-02-27 1995-09-06 Mitsui Toatsu Chemicals Method for simultaneous preparation of bisphenol f and novolak phenol resins
JPH05294871A (ja) * 1992-04-14 1993-11-09 Nippon Steel Chem Co Ltd ビスフェノールａの製造方法
US5169992A (en) * 1992-04-20 1992-12-08 Texaco Chemical Company Bisphenol A production using acidic clay catalysts
KR20050048218A (ko) * 2003-11-19 2005-05-24 송원산업 주식회사 유기인 화합물을 함유하는 난연제, 그 제조방법 및 그것을포함하는 난연성 수지조성물
US10683250B2 (en) 2013-09-20 2020-06-16 Aditya Birla Chemicals (Thailand) Ltd. Manufacturing process for dihydroxydiphenylmethane with high selectivity for 2,4′-dihydroxydiphenylmethane
US9610141B2 (en) 2014-09-19 2017-04-04 Align Technology, Inc. Arch expanding appliance
US10449016B2 (en) 2014-09-19 2019-10-22 Align Technology, Inc. Arch adjustment appliance
PL3547952T3 (pl) 2016-12-02 2021-05-31 Align Technology, Inc. Ekspander podniebienny
CN116211501A (zh) 2018-04-11 2023-06-06 阿莱恩技术有限公司 腭扩张器、腭扩张器设备及系统、腭扩张器的形成方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3073868A (en) * 1959-02-05 1963-01-15 Hooker Chemical Corp Production and purification of diphenylolalkanes
DE1153763B (de) * 1960-05-19 1963-09-05 Leuna Werke Iawalter Ulbrichti Verfahren zur Reinigung von 4, 4'-Dioxydiphenyldimethylmethan
FR1362968A (fr) * 1963-07-12 1964-06-05 Ministerul Ind Petrolului Procédé simplifié pour préparer le 4, 4' dihydroxydiphényl-2, 2-propane de haute pureté
GB1111874A (en) * 1967-01-13 1968-05-01 Wolfen Filmfab Veb Process for the manufacture of pure 4,4-dihydroxydiarylalkanes
GB1410750A (en) * 1974-05-13 1975-10-22 Combinaturl Petrochemic Borzes Process for bisphenol production
US4294993A (en) * 1980-04-14 1981-10-13 General Electric Company Purification of bisphenol-A
NL8202565A (nl) * 1981-07-01 1983-02-01 Gen Electric Azeotropische winning van bfa en fenol uit waterige effluentstromen.
US4461915A (en) * 1982-11-15 1984-07-24 General Electric Company Purification of bisphenol-A

Also Published As

Publication number Publication date
EP0331173B1 (de) 1991-08-21
JPH01226842A (ja) 1989-09-11
EP0331173A1 (de) 1989-09-06
US4937392A (en) 1990-06-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee