GB1464072A - Purification of hydroquinone - Google Patents

Purification of hydroquinone

Info

Publication number
GB1464072A
GB1464072A GB429875A GB429875A GB1464072A GB 1464072 A GB1464072 A GB 1464072A GB 429875 A GB429875 A GB 429875A GB 429875 A GB429875 A GB 429875A GB 1464072 A GB1464072 A GB 1464072A
Authority
GB
United Kingdom
Prior art keywords
hydroquinone
purification
solution
heading
feb
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
GB429875A
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.)
Goodyear Tire and Rubber Co
Original Assignee
Goodyear Tire and Rubber Co
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 Goodyear Tire and Rubber Co filed Critical Goodyear Tire and Rubber Co
Publication of GB1464072A publication Critical patent/GB1464072A/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
    • C07C37/68—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

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)

Abstract

1464072 Hydroquinone GOODYEAR TIRE & RUBBER CO 31 Jan 1975 [25 Feb 1974] 4298/75 Heading C2C Photographic grade hydroquinone is obtained by treating a solution of technical grade hydroquinone in the presence of a palladium catalyst with hydrogen while the hydroquinone solution is at a pH between 3 and 6.
GB429875A 1974-02-25 1975-01-31 Purification of hydroquinone Expired GB1464072A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44536374A 1974-02-25 1974-02-25

Publications (1)

Publication Number Publication Date
GB1464072A true GB1464072A (en) 1977-02-09

Family

ID=23768618

Family Applications (1)

Application Number Title Priority Date Filing Date
GB429875A Expired GB1464072A (en) 1974-02-25 1975-01-31 Purification of hydroquinone

Country Status (6)

Country Link
JP (1) JPS50117726A (en)
BE (1) BE825586A (en)
CA (1) CA1060050A (en)
DE (1) DE2505271A1 (en)
FR (1) FR2262014B1 (en)
GB (1) GB1464072A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7521505B2 (en) 2006-06-12 2009-04-21 Sabic Innovative Plastics Ip B.V. Method of stabilization of dihydric phenols

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52232A (en) * 1975-06-23 1977-01-05 Jo Eguchi Process for purification of hydroquinone
JPS525717A (en) * 1975-06-27 1977-01-17 Jo Eguchi Process for purification of hydroquinone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7521505B2 (en) 2006-06-12 2009-04-21 Sabic Innovative Plastics Ip B.V. Method of stabilization of dihydric phenols

Also Published As

Publication number Publication date
FR2262014A1 (en) 1975-09-19
DE2505271A1 (en) 1975-08-28
JPS50117726A (en) 1975-09-16
CA1060050A (en) 1979-08-07
FR2262014B1 (en) 1977-04-15
BE825586A (en) 1975-05-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee