Patent EP0232052A2 successfully refreshed from Google Patents.
EP0232052A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Nematic liquid crystal composition
Assignee: JNC Corp
•
Filing: 1987-01-20
•
Granted: —
•
Expires: 2007-01-20
Abstract
Abstract A nematic liquid crystal composition comprises 10 to 80% by weight of a first component comprising at least one compound expressed by the formula wherein m represents 0 or 1, R 1 represents F or H and R 2 represents an alkyl group of 1 to 8 carbon atoms, and 10 to 40% by weight of a second component comprising at least one compound expressed by the formula wherein 1 represents 1 or 2 and R 2 is as defined above.
Inventors
- 👤 Shinichi Sawada
- 👤 Hideo Saito
- 👤 Kenji Furukawa
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 07:48
CPC Classifications
C; C09; C09K; C09K19/00; C09K19/04; C09K19/42
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
81 words
A nematic liquid crystal composition comprising 10 to 80% by weight of a first component comprising at least one compound expressed by the formula wherein m represents 0 or 1, R 1 represents F or H and R 2 represents an alkyl group of 1 to 8 carbon atoms, and 10 to 40% by weight of a second component comprising at least one compound expressed by the formula wherein i represents 1 or 2 and R 2 is as defined above.
Claim 2
Dependent Claim
81 words
A nematic liquid crystal composition comprising 10 to 80% by weight of a first component comprising at least one compound expressed by the formula wherein m represents 0 or 1, R 1 represents F or H and R 2 represents an alkyl group of 1 to 8 carbon atoms, and 10 to 40% by weight of a second component comprising at least one compound expressed by the formula wherein i represents 1 or 2 and R 2 is as defined above.
Claim 3
Dependent Claim
61 words
A nematic liquid crystal composition according to Claim 1 wherein said first component expressed by the formula (I) comprises 0 to 40% by weight of a compound expressed by the formula (II) and 10 to 40% by weight of a compound expressed by the formula (III) said R 2 in the formulas (II) and (III) being as defined in claim 1.
Claim 4
Dependent Claim
11 words
A nematic liquid crystal composition according to Claim 1, consisting of
Claim 5
Dependent Claim
152 words
A nematic liquid crystal composition comprising a first component comprising 0 to 40% by weight of at least one compound expressed by the formula ( II ) and 10 to 40% by weight of at least one compound expressed by the formula (III) and 10 to 40% by weight of a second component comprising at least one compound expressed by the formula (IV), each mentioned below, and further as third et seq components, 0 to 22% by weight of at least one compound expressed by the formula (V), 0 to 20% by weight of at least one compound expressed by the formula (VI), 0 to 18% by weight of at least one compound expressed by the formula (VII), 0 to 40% by weight of at least one compound expressed by the formula (VIII) and 0 to 40% by weight of at least one compound expressed by the formula (IX), each mentioned below,
Claim 6
Dependent Claim
152 words
A nematic liquid crystal composition comprising a first component comprising 0 to 40% by weight of at least one compound expressed by the formula ( II ) and 10 to 40% by weight of at least one compound expressed by the formula (III) and 10 to 40% by weight of a second component comprising at least one compound expressed by the formula (IV), each mentioned below, and further as third et seq components, 0 to 22% by weight of at least one compound expressed by the formula (V), 0 to 20% by weight of at least one compound expressed by the formula (VI), 0 to 18% by weight of at least one compound expressed by the formula (VII), 0 to 40% by weight of at least one compound expressed by the formula (VIII) and 0 to 40% by weight of at least one compound expressed by the formula (IX), each mentioned below,
Claim 7
Dependent Claim
12 words
A nematic liquid crystal composition according to Claim 4, consisting of and
Claim 8
Dependent Claim
11 words
A nematic liquid composition according to Claim 4, consisting of and
Claim 9
Dependent Claim
12 words
A nematic liquid crystal composition according to Claim 4, consisting of and
Claim 10
Dependent Claim
12 words
A nematic liquid crystal composition according to Claim 4, consisting of and
Claim 11
Dependent Claim
12 words
A nematic liquid crystal composition according to Claim 4, consisting of and
Claim 12
Dependent Claim
12 words
A nematic liquid crystal composition according to Claim 4, consisting of and
Claim 13
Dependent Claim
12 words
A nematic liquid crystal composition according to Claim 4, consisting of and
Claim 14
Dependent Claim
87 words
A liquid crystal display element using a nematic liquid crystal composition comprising 10 to 80% by weight of a first component comprising at least one compound expressed by the formula wherein m represents 0 or 1, R 1 represents F or H and R 2 represents an alkyl group of 1 to 8 carbon atoms, and 10 to 40% by weight of a second component comprising at least one compound expressed by the formula wherein ℓ represents 1 or 2 and R 2 is as defined above.
Claim 15
Dependent Claim
87 words
A liquid crystal display element using a nematic liquid crystal composition comprising 10 to 80% by weight of a first component comprising at least one compound expressed by the formula wherein m represents 0 or 1, R 1 represents F or H and R 2 represents an alkyl group of 1 to 8 carbon atoms, and 10 to 40% by weight of a second component comprising at least one compound expressed by the formula wherein ℓ represents 1 or 2 and R 2 is as defined above.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.