GB1555923A – Process for the isolation of purified anthraquinone
– Google Patents
GB1555923A – Process for the isolation of purified anthraquinone
– Google Patents
Process for the isolation of purified anthraquinone
Info
Publication number
GB1555923A
GB1555923A
GB49865/77A
GB4986577A
GB1555923A
GB 1555923 A
GB1555923 A
GB 1555923A
GB 49865/77 A
GB49865/77 A
GB 49865/77A
GB 4986577 A
GB4986577 A
GB 4986577A
GB 1555923 A
GB1555923 A
GB 1555923A
Authority
GB
United Kingdom
Prior art keywords
isolation
purified anthraquinone
anthraquinone
purified
Prior art date
1976-12-04
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
GB49865/77A
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.)
1976-12-04
Filing date
1977-11-30
Publication date
1979-11-14
1977-11-30
Application filed by Bayer AG
filed
Critical
Bayer AG
1979-11-14
Publication of GB1555923A
publication
Critical
patent/GB1555923A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C46/00—Preparation of quinones
C07C46/02—Preparation of quinones by oxidation giving rise to quinoid structures
GB49865/77A
1976-12-04
1977-11-30
Process for the isolation of purified anthraquinone
Expired
GB1555923A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
DE2655103A
DE2655103C3
(en)
1976-12-04
1976-12-04
Process for obtaining purified anthraquinone
Publications (1)
Publication Number
Publication Date
GB1555923A
true
GB1555923A
(en)
1979-11-14
Family
ID=5994727
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB49865/77A
Expired
GB1555923A
(en)
1976-12-04
1977-11-30
Process for the isolation of purified anthraquinone
Country Status (7)
Country
Link
US
(1)
US4161481A
(en)
JP
(1)
JPS53101356A
(en)
BE
(1)
BE861413A
(en)
DE
(1)
DE2655103C3
(en)
FR
(1)
FR2372786A1
(en)
GB
(1)
GB1555923A
(en)
NL
(1)
NL7713317A
(en)
Families Citing this family (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2655082C3
(en)
*
1976-12-04
1979-12-20
Bayer Ag, 5090 Leverkusen
Process for the purification of crude anthraquinone
US20040188332A1
(en)
*
2003-03-31
2004-09-30
Haydock Intellectual Properties, L.L.C.
Self-cleaning filter system within reaction or retention vessels
Family Cites Families (15)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US1701186A
(en)
*
1929-02-05
Assig-nob to national aniline
FR519210A
(en)
*
1917-09-20
1921-06-07
Kinzlberger & Cie
Anthraquinone purification process
US1464844A
(en)
*
1919-07-02
1923-08-14
Barrett Co
Sublimation process
US1591712A
(en)
*
1920-03-04
1926-07-06
Nat Aniline & Chem Co Inc
Purification of anthraquinone
US1631589A
(en)
*
1921-10-10
1927-06-07
Grosvenor
Anthraquinone paste and method of making the same
US1845281A
(en)
*
1928-08-01
1932-02-16
Selden Co
Purification of anthraquinone
DE1020958B
(en)
*
1955-07-28
1957-12-19
Farbenfabriken Bayer Aktiengesellschaft, Leverkusen-Bayerwerk
Sublimation process
US2852517A
(en)
*
1955-11-07
1958-09-16
Dow Chemical Co
Separating method
NL216492A
(en)
*
1956-04-19
BE573902A
(en)
*
1957-12-16
US3441574A
(en)
*
1966-01-12
1969-04-29
United States Steel Corp
Process for making anthraquinone
RO59914A
(en)
*
1972-04-15
1976-06-15
DD105800A1
(en)
*
1973-07-05
1974-05-12
FR2241523A1
(en)
*
1973-08-23
1975-03-21
Vos Uglekhimichesky I
Sepn. of granular anthraquinone – from gases formed during prodn., using fluidised bed technique
DE2655082C3
(en)
*
1976-12-04
1979-12-20
Bayer Ag, 5090 Leverkusen
Process for the purification of crude anthraquinone
1976
1976-12-04
DE
DE2655103A
patent/DE2655103C3/en
not_active
Expired
1977
1977-11-16
US
US05/852,123
patent/US4161481A/en
not_active
Expired – Lifetime
1977-11-30
GB
GB49865/77A
patent/GB1555923A/en
not_active
Expired
1977-12-01
NL
NL7713317A
patent/NL7713317A/en
not_active
Application Discontinuation
1977-12-02
FR
FR7736407A
patent/FR2372786A1/en
not_active
Withdrawn
1977-12-02
JP
JP14407577A
patent/JPS53101356A/en
active
Pending
1977-12-02
BE
BE2056485A
patent/BE861413A/en
unknown
Also Published As
Publication number
Publication date
US4161481A
(en)
1979-07-17
NL7713317A
(en)
1978-06-06
DE2655103B2
(en)
1979-06-07
BE861413A
(en)
1978-06-02
FR2372786A1
(en)
1978-06-30
JPS53101356A
(en)
1978-09-04
DE2655103A1
(en)
1978-06-08
DE2655103C3
(en)
1980-02-14
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Legal Events
Date
Code
Title
Description
1980-01-30
PS
Patent sealed [section 19, patents act 1949]
1986-07-16
PCNP
Patent ceased through non-payment of renewal fee
