GB1521605A - Process for the preparation of 4,4'-dihydroxy-3,3',5,5'-tetraalkyl-diphenylalkanes - Google Patents

Process for the preparation of 4,4'-dihydroxy-3,3',5,5'-tetraalkyl-diphenylalkanes

Info

Publication number
GB1521605A
GB1521605A GB34583/76A GB3458376A GB1521605A GB 1521605 A GB1521605 A GB 1521605A GB 34583/76 A GB34583/76 A GB 34583/76A GB 3458376 A GB3458376 A GB 3458376A GB 1521605 A GB1521605 A GB 1521605A
Authority
GB
United Kingdom
Prior art keywords
diphenylalkanes
tetraalkyl
dihydroxy
preparation
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
Application number
GB34583/76A
Other languages
English (en)
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of GB1521605A publication Critical patent/GB1521605A/en
Expired 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
GB34583/76A 1975-08-20 1976-08-19 Process for the preparation of 4,4'-dihydroxy-3,3',5,5'-tetraalkyl-diphenylalkanes Expired GB1521605A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2537027A DE2537027C2 (de) 1975-08-20 1975-08-20 Verfahren zur Herstellung von 4,4'-Dihydroxy-3,3',5,5'-tetraalkyl- diphenylalkanen

Publications (1)

Publication Number Publication Date
GB1521605A true GB1521605A (en) 1978-08-16

Family

ID=5954387

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34583/76A Expired GB1521605A (en) 1975-08-20 1976-08-19 Process for the preparation of 4,4'-dihydroxy-3,3',5,5'-tetraalkyl-diphenylalkanes

Country Status (9)

Country Link
US (1) US4319053A (enExample)
JP (1) JPS593455B2 (enExample)
BE (1) BE845327A (enExample)
CA (1) CA1080750A (enExample)
DE (1) DE2537027C2 (enExample)
FR (1) FR2321471A1 (enExample)
GB (1) GB1521605A (enExample)
IT (1) IT1062674B (enExample)
NL (1) NL7609306A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371691A (en) 1979-07-13 1983-02-01 Bayer Aktiengesellschaft Preparation of polycarbonate from specific crude bisphenols

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4346247A (en) * 1979-12-13 1982-08-24 General Electric Company Method and catalyst for making bisphenol
US4443635A (en) * 1982-12-06 1984-04-17 Shell Oil Company Removal of color bodies in bisphenol production
JPS61190054U (enExample) * 1985-05-20 1986-11-27
PL153396B1 (en) * 1987-10-07 1991-04-30 Method of obtaining bisphenol a
US7015365B2 (en) * 2003-12-19 2006-03-21 General Electric Company Methods for preparing cycloalkylidene bisphenols
CN102633605B (zh) * 2012-03-20 2015-06-10 青岛科技大学 一种废旧光盘的化学解聚回收方法
EP3386938B1 (en) 2015-12-11 2020-10-07 SABIC Global Technologies B.V. Method of bisphenol manufacture

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE589727A (enExample) *
US3242219A (en) * 1957-12-31 1966-03-22 Union Carbide Corp Preparation of bisphenols
US3153001A (en) * 1958-10-20 1964-10-13 Union Carbide Corp Cationic exchanging polymeric resin
US3242220A (en) * 1958-10-20 1966-03-22 Union Carbide Corp Preparation of bisphenols
US3049568A (en) * 1958-10-20 1962-08-14 Union Carbide Corp Preparation of bisphenols
US3394089A (en) * 1964-12-02 1968-07-23 Dow Chemical Co Ion exchange catalyst for the preparation of bisphenols
US3491157A (en) * 1968-01-11 1970-01-20 Dow Chemical Co Cycloalkylidenebis(cycloalkylphenols)
US3634341A (en) * 1970-03-06 1972-01-11 Dow Chemical Co Ion exchange catalysts for the preparation of bisphenols
JPS527482B2 (enExample) * 1972-05-08 1977-03-02
GB1539184A (en) * 1975-08-01 1979-01-31 Shell Int Research Cation-exchange resins

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371691A (en) 1979-07-13 1983-02-01 Bayer Aktiengesellschaft Preparation of polycarbonate from specific crude bisphenols

Also Published As

Publication number Publication date
BE845327A (fr) 1977-02-21
FR2321471B1 (enExample) 1982-12-03
DE2537027A1 (de) 1977-03-03
NL7609306A (nl) 1977-02-22
CA1080750A (en) 1980-07-01
FR2321471A1 (fr) 1977-03-18
US4319053A (en) 1982-03-09
DE2537027C2 (de) 1982-06-03
JPS593455B2 (ja) 1984-01-24
IT1062674B (it) 1984-10-20
JPS5225759A (en) 1977-02-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee