GB1357985A – Anthraquinone compounds
– Google Patents
GB1357985A – Anthraquinone compounds
– Google Patents
Anthraquinone compounds
Info
Publication number
GB1357985A
GB1357985A
GB754372A
GB754372A
GB1357985A
GB 1357985 A
GB1357985 A
GB 1357985A
GB 754372 A
GB754372 A
GB 754372A
GB 754372 A
GB754372 A
GB 754372A
GB 1357985 A
GB1357985 A
GB 1357985A
Authority
GB
United Kingdom
Prior art keywords
formula
compounds
anthraquinone compounds
compound
solution
Prior art date
1972-02-18
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
GB754372A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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.)
1972-02-18
Filing date
1972-02-18
Publication date
1974-06-26
1972-02-18
Application filed by Imperial Chemical Industries Ltd
filed
Critical
Imperial Chemical Industries Ltd
1972-02-18
Priority to GB754372A
priority
Critical
patent/GB1357985A/en
1972-05-19
Priority to US00254861A
priority
patent/US3790604A/en
1972-05-24
Priority to IT24794/72A
priority
patent/IT959765B/en
1972-05-29
Priority to BE784132A
priority
patent/BE784132A/en
1972-06-06
Priority to JP47056395A
priority
patent/JPS4890325A/ja
1972-06-06
Priority to FR7220280A
priority
patent/FR2172059B1/fr
1972-06-07
Priority to CH844672A
priority
patent/CH566281A5/xx
1972-06-07
Priority to DE2227765A
priority
patent/DE2227765A1/en
1974-06-26
Publication of GB1357985A
publication
Critical
patent/GB1357985A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
C—CHEMISTRY; METALLURGY
C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
C09B1/02—Hydroxy-anthraquinones; Ethers or esters thereof
C09B1/06—Preparation from starting materials already containing the anthracene nucleus
Abstract
1357985 Anthraquinones IMPERIAL CHEMICAL INDUSTRIES Ltd 9 May 1972 [18 Feb 1972] 7543/72 Heading C2C The invention comprises compounds of the formula where R is H or C 1-6 alkyl. The compounds are prepared by treating a compound of the formula with an aqueous or alcoholic solution of a quaternary ammonium hydroxide in an inert organic liquid which is a solvent for the anthraquinone compound and in which the said solution is also soluble.
GB754372A
1972-02-18
1972-02-18
Anthraquinone compounds
Expired
GB1357985A
(en)
Priority Applications (8)
Application Number
Priority Date
Filing Date
Title
GB754372A
GB1357985A
(en)
1972-02-18
1972-02-18
Anthraquinone compounds
US00254861A
US3790604A
(en)
1972-02-18
1972-05-19
Anthraquinone compounds
IT24794/72A
IT959765B
(en)
1972-02-18
1972-05-24
ANTHRACHINONE COMPOUNDS
BE784132A
BE784132A
(en)
1972-02-18
1972-05-29
ANTHRAQUINONIC COMPOUNDS
JP47056395A
JPS4890325A
(en)
1972-02-18
1972-06-06
FR7220280A
FR2172059B1
(en)
1972-02-18
1972-06-06
CH844672A
CH566281A5
(en)
1972-02-18
1972-06-07
DE2227765A
DE2227765A1
(en)
1972-02-18
1972-06-07
ANTHRACHINONE COMPOUNDS AND PROCESS FOR THEIR PRODUCTION
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB754372A
GB1357985A
(en)
1972-02-18
1972-02-18
Anthraquinone compounds
Publications (1)
Publication Number
Publication Date
GB1357985A
true
GB1357985A
(en)
1974-06-26
Family
ID=9835135
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB754372A
Expired
GB1357985A
(en)
1972-02-18
1972-02-18
Anthraquinone compounds
Country Status (8)
Country
Link
US
(1)
US3790604A
(en)
JP
(1)
JPS4890325A
(en)
BE
(1)
BE784132A
(en)
CH
(1)
CH566281A5
(en)
DE
(1)
DE2227765A1
(en)
FR
(1)
FR2172059B1
(en)
GB
(1)
GB1357985A
(en)
IT
(1)
IT959765B
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4021457A
(en)
*
1975-11-18
1977-05-03
Research Corporation
Intermediates for polycyclic quinonoid antibiotics
1972
1972-02-18
GB
GB754372A
patent/GB1357985A/en
not_active
Expired
1972-05-19
US
US00254861A
patent/US3790604A/en
not_active
Expired – Lifetime
1972-05-24
IT
IT24794/72A
patent/IT959765B/en
active
1972-05-29
BE
BE784132A
patent/BE784132A/en
unknown
1972-06-06
FR
FR7220280A
patent/FR2172059B1/fr
not_active
Expired
1972-06-06
JP
JP47056395A
patent/JPS4890325A/ja
active
Pending
1972-06-07
DE
DE2227765A
patent/DE2227765A1/en
active
Pending
1972-06-07
CH
CH844672A
patent/CH566281A5/xx
not_active
IP Right Cessation
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4021457A
(en)
*
1975-11-18
1977-05-03
Research Corporation
Intermediates for polycyclic quinonoid antibiotics
Also Published As
Publication number
Publication date
CH566281A5
(en)
1975-09-15
BE784132A
(en)
1972-11-29
FR2172059B1
(en)
1976-08-13
US3790604A
(en)
1974-02-05
FR2172059A1
(en)
1973-09-28
JPS4890325A
(en)
1973-11-26
IT959765B
(en)
1973-11-10
DE2227765A1
(en)
1973-08-23
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Legal Events
Date
Code
Title
Description
1974-11-06
PS
Patent sealed [section 19, patents act 1949]
1976-12-08
PLNP
Patent lapsed through nonpayment of renewal fees
