EP0208419A2
Expired / Lapsed
EP
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Thermotropic cholesteric liquid crystalline polypeptides
Assignee: Eneos Corp
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Filing: 1986-06-09
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Granted: —
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Expires: 2006-06-09
Abstract
Abstract The invention relates to a γ-benryl glutamate-η-atkyl glutamate copolymer having the general formula (I) wherein; R is C 10-30 alkyl group, m and n are 50 ≦ m+ n ≦ 2,000 and m/n = 80 - 10/20 - 90, and benzyl ester unit and alkyl ester unit are either both L-forms or both D-forms.
Inventors
- 👤 Junji Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 02:09
CPC Classifications
C; C09; C09K; C09K19/00; C09K19/04; C09K19/38; C09K19/3833; C09K19/389; C08; C08G; C08G69/00; C08G69/02; C08G69/08; C08G69/10; G; G02; G02B; G02B5/00; G02B5/30; G02B5/3016
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
49 words
A γ-benzyl glutamate-γ-alkyl glutamate copolymer having the general formula (I) wherein; R is C 10-30 alkyl group, m and n are 50 ≦ m+n ≦ 2,000 and m/n = 80 ~ 10/20 = 90, and benzyl ester unit and alkyl ester unit are either both L-forms or both D-forms.
Claim 2
Dependent Claim
49 words
A γ-benzyl glutamate-γ-alkyl glutamate copolymer having the general formula (I) wherein; R is C 10-30 alkyl group, m and n are 50 ≦ m+n ≦ 2,000 and m/n = 80 ~ 10/20 = 90, and benzyl ester unit and alkyl ester unit are either both L-forms or both D-forms.
Claim 3
Dependent Claim
15 words
A copolymer as claimed in Claim 1, wherein m/n is 70 - 40/30 - 60.
Claim 4
Dependent Claim
17 words
A copolymer as claimed in Claim 1 or claim 2; wherein R is C 12-25 alkyl group.
Claim 5
Dependent Claim
29 words
A light filter, color display, optoelectronics device, memory element or temperature sensor incorporating a copolymer as claimed in any one of claims 1 to 3 in liquid crystal form.
References Cited (Backward Citations)
No citation records indexed.
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