GB2002804B – Dichroic liquid crystal compositions
– Google Patents
GB2002804B – Dichroic liquid crystal compositions
– Google Patents
Dichroic liquid crystal compositions
Info
Publication number
GB2002804B
GB2002804B
GB7828207A
GB7828207A
GB2002804B
GB 2002804 B
GB2002804 B
GB 2002804B
GB 7828207 A
GB7828207 A
GB 7828207A
GB 7828207 A
GB7828207 A
GB 7828207A
GB 2002804 B
GB2002804 B
GB 2002804B
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
crystal compositions
dichroic liquid
dichroic
compositions
Prior art date
1977-08-18
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
GB7828207A
Other versions
GB2002804A
(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.)
General Electric Co
Original Assignee
General Electric 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.)
1977-08-18
Filing date
1978-06-28
Publication date
1982-02-03
1978-06-28
Application filed by General Electric Co
filed
Critical
General Electric Co
1979-02-28
Publication of GB2002804A
publication
Critical
patent/GB2002804A/en
1982-02-03
Application granted
granted
Critical
1982-02-03
Publication of GB2002804B
publication
Critical
patent/GB2002804B/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
C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
C09K19/00—Liquid crystal materials
C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
C09K19/60—Pleochroic dyes
C09K19/601—Azoic
GB7828207A
1977-08-18
1978-06-28
Dichroic liquid crystal compositions
Expired
GB2002804B
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US05/825,660
US4116861A
(en)
1977-08-18
1977-08-18
Dichroic liquid crystal compositions
Publications (2)
Publication Number
Publication Date
GB2002804A
GB2002804A
(en)
1979-02-28
GB2002804B
true
GB2002804B
(en)
1982-02-03
Family
ID=25244613
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7828207A
Expired
GB2002804B
(en)
1977-08-18
1978-06-28
Dichroic liquid crystal compositions
Country Status (5)
Country
Link
US
(1)
US4116861A
(en)
JP
(1)
JPS5460283A
(en)
CH
(1)
CH644625A5
(en)
DE
(1)
DE2834846C2
(en)
GB
(1)
GB2002804B
(en)
Families Citing this family (19)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4184750A
(en)
*
1976-11-12
1980-01-22
Rca Corporation
Novel liquid crystal dyestuffs and electro-optic devices incorporating same
US4153343A
(en)
*
1977-06-09
1979-05-08
Rca Corporation
Liquid crystal dyestuffs and electro-optic devices incorporating same
US4288147A
(en)
*
1978-12-20
1981-09-08
Timex Corporation
Electro-optical composition of the guest-host type
US4350603A
(en)
*
1980-06-30
1982-09-21
General Electric Company
Novel tris-azo dyes and liquid crystal compositions made therewith
US4308163A
(en)
*
1980-08-04
1981-12-29
General Electric Company
Novel yellow azo dyes and dichroic liquid crystal composition made therewith
US4308161A
(en)
*
1980-08-04
1981-12-29
General Electric Company
Novel yellow azo dyes and dichroic liquid crystal compositions made therewith
US4308164A
(en)
*
1980-08-04
1981-12-29
General Electric Company
Novel yellow azo dyes and dichroic liquid crystal composition made therewith
US4308162A
(en)
*
1980-12-08
1981-12-29
General Electric Company
Novel yellow azo dyes and dichroic liquid crystal compositions made therewith
US4565424A
(en)
*
1980-12-12
1986-01-21
Minnesota Mining And Manufacturing Company
Asymmetric dichroic dye molecules having poly(arylazo) linking groups, a bis-substituted aryl thiazyl end group, and another end group
US4359398A
(en)
*
1980-12-22
1982-11-16
General Electric Company
Liquid crystal compositions with novel tris-azo dichroic dyes
CH654321A5
(en)
*
1981-02-20
1986-02-14
Ciba Geigy Ag
DISAZO DYES AND THEIR USE IN COLOR PHOTOGRAPHIC RECORDING MATERIALS FOR THE SILVER COLORING METHOD.
US4841009A
(en)
*
1982-12-28
1989-06-20
Amoco Corporation
Substantially linear monomeric composition and liquid crystal polymeric compositions derived therefrom
DE3700976C1
(en)
*
1987-01-15
1988-07-21
Heraeus Voetsch Gmbh
Climate test chamber
EP0306452B1
(en)
*
1987-09-03
1994-09-07
Ciba-Geigy Ag
Cationic disazo stilbene dyes
JPH04333002A
(en)
*
1991-05-08
1992-11-20
Mitsubishi Petrochem Co Ltd
Polarizing film and its production
US5618868A
(en)
*
1993-04-21
1997-04-08
Mitsui Toatsu Chemicals, Inc.
Polarizing film of a hydrophilic polymer film containing a novel azo compound
JP4665439B2
(en)
*
2003-06-05
2011-04-06
三菱化学株式会社
Electrophotographic photoreceptor and image forming apparatus
JP5437744B2
(en)
*
2009-08-28
2014-03-12
富士フイルム株式会社
Dichroic dye composition, polarizing film, liquid crystal cell, and display device
CN112940527B
(en)
*
2019-12-10
2023-02-28
江苏和成新材料有限公司
Asymmetric azo dye and preparation method and application thereof
Family Cites Families (6)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3703329A
(en)
*
1969-12-29
1972-11-21
Rca Corp
Liquid crystal color display
US3833287A
(en)
*
1973-03-08
1974-09-03
Bell Telephone Labor Inc
Guest-host liquid crystal device
US3960751A
(en)
*
1973-09-19
1976-06-01
Matsushita Electric Industrial Co., Ltd.
Electro-optical display element
GB1459046A
(en)
*
1974-03-15
1976-12-22
Secr Defence
Liquid crystal devices
GB1507030A
(en)
*
1974-10-21
1978-04-12
Secr Defence
Liquid crystal display devices
US4145114A
(en)
*
1975-06-17
1979-03-20
The Secretary Of State For Defence In Her Britannic Majesty’s Government Of The United Kingdom Of Great Britain And Northern Ireland
Pleochroic dyes
1977
1977-08-18
US
US05/825,660
patent/US4116861A/en
not_active
Expired – Lifetime
1978
1978-06-28
GB
GB7828207A
patent/GB2002804B/en
not_active
Expired
1978-08-09
DE
DE2834846A
patent/DE2834846C2/en
not_active
Expired
1978-08-17
CH
CH874278A
patent/CH644625A5/en
not_active
IP Right Cessation
1978-08-18
JP
JP10009178A
patent/JPS5460283A/en
active
Granted
Also Published As
Publication number
Publication date
US4116861A
(en)
1978-09-26
JPS5460283A
(en)
1979-05-15
JPS6229477B2
(en)
1987-06-26
DE2834846C2
(en)
1986-07-03
GB2002804A
(en)
1979-02-28
CH644625A5
(en)
1984-08-15
DE2834846A1
(en)
1979-03-01
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Legal Events
Date
Code
Title
Description
1990-02-14
732
Registration of transactions, instruments or events in the register (sect. 32/1977)
1991-02-27
PCNP
Patent ceased through non-payment of renewal fee