GB1486920A – Bis-naphthyl-ethylenes process for their manufacture and utilization as optical brighteners
– Google Patents
GB1486920A – Bis-naphthyl-ethylenes process for their manufacture and utilization as optical brighteners
– Google Patents
Bis-naphthyl-ethylenes process for their manufacture and utilization as optical brighteners
Info
Publication number
GB1486920A
GB1486920A
GB55193/74A
GB5519374A
GB1486920A
GB 1486920 A
GB1486920 A
GB 1486920A
GB 55193/74 A
GB55193/74 A
GB 55193/74A
GB 5519374 A
GB5519374 A
GB 5519374A
GB 1486920 A
GB1486920 A
GB 1486920A
Authority
GB
United Kingdom
Prior art keywords
bis
optically brightened
during
terephthalate
manufacture
Prior art date
1973-12-20
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
GB55193/74A
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.)
Hoechst AG
Original Assignee
Hoechst 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.)
1973-12-20
Filing date
1974-12-20
Publication date
1977-09-28
1974-12-20
Application filed by Hoechst AG
filed
Critical
Hoechst AG
1977-09-28
Publication of GB1486920A
publication
Critical
patent/GB1486920A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
C07C57/46—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing six-membered aromatic rings and other rings, e.g. cyclohexylphenylacetic acid
C07C57/50—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing six-membered aromatic rings and other rings, e.g. cyclohexylphenylacetic acid containing condensed ring systems
D—TEXTILES; PAPER
D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
D06L4/60—Optical bleaching or brightening
Abstract
1486920 Optical brighteners HOECHST AG 20 Dec 1974 [20 Dec 1973] 55193/74 Headings C3P and C3R [Also in Division C2] Synthetic organic polymers are optically brightened with compounds of the formula wherein X and X
GB55193/74A
1973-12-20
1974-12-20
Bis-naphthyl-ethylenes process for their manufacture and utilization as optical brighteners
Expired
GB1486920A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
DE2363416A
DE2363416A1
(en)
1973-12-20
1973-12-20
NEW BIS-NAPHTHYL-AETHYLENE, PROCESS FOR THEIR PRODUCTION AND THEIR USE AS OPTICAL LIGHTENING AGENTS
Publications (1)
Publication Number
Publication Date
GB1486920A
true
GB1486920A
(en)
1977-09-28
Family
ID=5901341
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB55193/74A
Expired
GB1486920A
(en)
1973-12-20
1974-12-20
Bis-naphthyl-ethylenes process for their manufacture and utilization as optical brighteners
Country Status (7)
Country
Link
US
(1)
US4154951A
(en)
JP
(1)
JPS50105642A
(en)
CH
(2)
CH1674974A4
(en)
DE
(1)
DE2363416A1
(en)
FR
(1)
FR2255295B1
(en)
GB
(1)
GB1486920A
(en)
IT
(1)
IT1027798B
(en)
Families Citing this family (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4231957A
(en)
*
1977-11-04
1980-11-04
Ciba-Geigy Corporation
Phosphonium compounds, a process for their preparation and a process for the preparation of asymmetrically substituted stilbene fluorescent brightening agents
DE3070041D1
(en)
*
1979-12-13
1985-03-07
Ciba Geigy Ag
Optical brighteners from bistyryl benzene, process for their preparation and their use
CN101279969B
(en)
*
2007-01-31
2011-03-30
北京维信诺科技有限公司
Organic electroluminescent material and application thereof
Family Cites Families (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2060228A1
(en)
*
1970-12-08
1972-06-15
Hoechst Ag
Monostyryl naphthalene derivatives, processes for their preparation and their use as optical brightening agents
1973
1973-12-20
DE
DE2363416A
patent/DE2363416A1/en
active
Pending
1974
1974-12-16
US
US05/532,910
patent/US4154951A/en
not_active
Expired – Lifetime
1974-12-17
CH
CH1674974D
patent/CH1674974A4/xx
unknown
1974-12-17
CH
CH1674974A
patent/CH597417B5/xx
not_active
IP Right Cessation
1974-12-18
IT
IT30719/74A
patent/IT1027798B/en
active
1974-12-19
JP
JP49145069A
patent/JPS50105642A/ja
active
Pending
1974-12-20
GB
GB55193/74A
patent/GB1486920A/en
not_active
Expired
1974-12-20
FR
FR7442230A
patent/FR2255295B1/fr
not_active
Expired
Also Published As
Publication number
Publication date
JPS50105642A
(en)
1975-08-20
CH597417B5
(en)
1978-04-14
US4154951A
(en)
1979-05-15
FR2255295B1
(en)
1978-07-13
DE2363416A1
(en)
1975-07-03
CH1674974A4
(en)
1977-04-29
IT1027798B
(en)
1978-12-20
FR2255295A1
(en)
1975-07-18
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Legal Events
Date
Code
Title
Description
1978-02-08
PS
Patent sealed [section 19, patents act 1949]
1979-07-18
PCNP
Patent ceased through non-payment of renewal fee
