GB1555954A – Solutions of pleochroic azo dye in liquid crystal material and devices incorporating such solutions
– Google Patents
GB1555954A – Solutions of pleochroic azo dye in liquid crystal material and devices incorporating such solutions
– Google Patents
Solutions of pleochroic azo dye in liquid crystal material and devices incorporating such solutions
Info
Publication number
GB1555954A
GB1555954A
GB2584375A
GB2584375A
GB1555954A
GB 1555954 A
GB1555954 A
GB 1555954A
GB 2584375 A
GB2584375 A
GB 2584375A
GB 2584375 A
GB2584375 A
GB 2584375A
GB 1555954 A
GB1555954 A
GB 1555954A
Authority
GB
United Kingdom
Prior art keywords
solutions
liquid crystal
crystal material
azo dye
devices incorporating
Prior art date
1975-06-17
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
GB2584375A
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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.)
1975-06-17
Filing date
1975-06-17
Publication date
1979-11-14
1975-06-17
Application filed by UK Secretary of State for Defence
filed
Critical
UK Secretary of State for Defence
1975-06-17
Priority to GB2584375A
priority
Critical
patent/GB1555954A/en
1976-06-14
Priority to US05/695,404
priority
patent/US4145114A/en
1976-06-16
Priority to FR7618334A
priority
patent/FR2438676A1/en
1976-06-17
Priority to CH777076A
priority
patent/CH624705A5/de
1976-06-17
Priority to JP51072087A
priority
patent/JPS522885A/en
1976-06-18
Priority to DE2627215A
priority
patent/DE2627215C2/en
1979-11-14
Publication of GB1555954A
publication
Critical
patent/GB1555954A/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
C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
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
C09B29/00—Monoazo dyes prepared by diazotising and coupling
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
C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling 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 C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
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
C09B43/00—Preparation of azo dyes from other azo compounds
C09B43/08—Preparation of azo dyes from other azo compounds by reduction
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
C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
C09B67/0083—Solutions of dyes
GB2584375A
1975-06-17
1975-06-17
Solutions of pleochroic azo dye in liquid crystal material and devices incorporating such solutions
Expired
GB1555954A
(en)
Priority Applications (6)
Application Number
Priority Date
Filing Date
Title
GB2584375A
GB1555954A
(en)
1975-06-17
1975-06-17
Solutions of pleochroic azo dye in liquid crystal material and devices incorporating such solutions
US05/695,404
US4145114A
(en)
1975-06-17
1976-06-14
Pleochroic dyes
FR7618334A
FR2438676A1
(en)
1975-06-17
1976-06-16
COLOR FOR LIQUID CRYSTAL DEVICE
CH777076A
CH624705A5
(en)
1975-06-17
1976-06-17
JP51072087A
JPS522885A
(en)
1975-06-17
1976-06-17
Colors for liquid crystal materials and liquid crystal apparatus using same
DE2627215A
DE2627215C2
(en)
1975-06-17
1976-06-18
Liquid crystal materials containing pleochroism azo dyes and their uses
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB2584375A
GB1555954A
(en)
1975-06-17
1975-06-17
Solutions of pleochroic azo dye in liquid crystal material and devices incorporating such solutions
Publications (1)
Publication Number
Publication Date
GB1555954A
true
GB1555954A
(en)
1979-11-14
Family
ID=10234248
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB2584375A
Expired
GB1555954A
(en)
1975-06-17
1975-06-17
Solutions of pleochroic azo dye in liquid crystal material and devices incorporating such solutions
Country Status (1)
Country
Link
GB
(1)
GB1555954A
(en)
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4426312A
(en)
1980-12-30
1984-01-17
Bayer Aktiengesellschaft
Liquid crystal material containing disazo dyestuffs
1975
1975-06-17
GB
GB2584375A
patent/GB1555954A/en
not_active
Expired
Cited By (1)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4426312A
(en)
1980-12-30
1984-01-17
Bayer Aktiengesellschaft
Liquid crystal material containing disazo dyestuffs
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Legal Events
Date
Code
Title
Description
1980-01-30
PS
Patent sealed
1996-07-17
PE20
Patent expired after termination of 20 years
Effective date:
19960616
