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Patent US4719281A successfully refreshed from Google Patents.
US4719281A
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Pendant quinodimethane-containing polymer
Assignee: CNA Holdings LLC
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Filing: 1986-04-21
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Granted: 1988-01-12
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Expires: 2006-04-21
Abstract
Abstract This invention provides novel polymers which are characterized by a recurring structural unit that contains a pendant quinoid structure and that exhibits nonlinear optical response. The following structure is illustrative of an invention polymer: ##STR1## where m is an integer of at least 3.
Inventors
- 👤 Eui W. Choe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:35
CPC Classifications
C; C08; C08G; C08G73/00; G; G02; G02F; G02F1/00; G02F1/35; G02F1/355; G02F1/361; G02F1/3615; G02F1/3617
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
58 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR46## where R is a divalent organic radical containing between about 2-20 carbon atoms; R 1 is hydrogen or a C 1 -C 20 alkyl group; m is an integer of at least 3; and X is a pendant quinoid substituent selected from ##STR47##
Claim 2
Dependent Claim
58 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR46## where R is a divalent organic radical containing between about 2-20 carbon atoms; R 1 is hydrogen or a C 1 -C 20 alkyl group; m is an integer of at least 3; and X is a pendant quinoid substituent selected from ##STR47##
Claim 3
Dependent Claim
14 words
A polymer in accordance with claim 1 wherein the polymer exhibits nonlinear optical response.
Claim 4
Dependent Claim
32 words
A polymer in accordance with claim 1 wherein the polymer exhibits a second order nonlinear optical susceptibility β of at least about 5×10 -30 esu as measured at 1.91 μm excitation wavelength.
Claim 5
Dependent Claim
31 words
A polymer in accordance with claim 1 wherein the polymer exhibits a third nonlinear optical susceptibility γ of at least about 1×10 -36 esu as measured at 1.91 μm excitation wavelength.
Claim 6
Dependent Claim
21 words
A polymer in accordance with claim 1 wherein the polymer has an average molecular weight in the range between about 1000-1,000,000.
Claim 7
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the divalent organic radical R contains a polymethylene structure.
Claim 8
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the divalent organic radical R contains an ester structure.
Claim 9
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the divalent organic radical R contains a urethane structure.
Claim 10
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the divalent organic radical R contains a carbonyl structure.
Claim 11
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the divalent organic radical R contains an imide structure.
Claim 12
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the divalent organic radical R contains an amide structure.
Claim 13
Dependent Claim
17 words
A polymer in accordance with claim 1 wherein the divalent organic radical R contains an organosiloxyl structure.
Claim 14
Dependent Claim
64 words
A transparent nonlinear optical medium comprising a polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR48## where R is a divalent organic radical containing between about 2-20 carbon atoms; R 1 is hydrogen or a C 1 -C 20 alkyl group; m is an integer of at least 3; and X is a pendant quinoid substituent selected from ##STR49##
Claim 15
Dependent Claim
64 words
A transparent nonlinear optical medium comprising a polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR48## where R is a divalent organic radical containing between about 2-20 carbon atoms; R 1 is hydrogen or a C 1 -C 20 alkyl group; m is an integer of at least 3; and X is a pendant quinoid substituent selected from ##STR49##
Claim 16
Dependent Claim
24 words
A transparent nonlinear optical medium in accordance with claim 13 which is characterized by an external field-induced molecular orientation of the pendant quinoid substituents.
Claim 17
Dependent Claim
77 words
A nonlinear optical medium comprising a transparent solid substrate with a surface coating of at least one monolayer of a polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR50## where R is a divalent organic radical containing between about 2-20 carbon atoms; R 1 is hydrogen or a C 1 -C 20 alkyl group; m is an integer of at least 3; and X is a pendant quinoid substituent selected from ##STR51##
Claim 18
Dependent Claim
77 words
A nonlinear optical medium comprising a transparent solid substrate with a surface coating of at least one monolayer of a polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR50## where R is a divalent organic radical containing between about 2-20 carbon atoms; R 1 is hydrogen or a C 1 -C 20 alkyl group; m is an integer of at least 3; and X is a pendant quinoid substituent selected from ##STR51##
Claim 19
Dependent Claim
26 words
A nonlinear medium in accordance with claim 15 wherein the surface coating is a Langmuir-Blodgett deposition of at least one monolayer of uniaxial aligned polymer molecules.
Claim 20
Dependent Claim
41 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR52## where n is an integer between about 2-30; m 1 is an integer between about 3-300; and X is a pendant quinoid substituent selected from ##STR53##
Claim 21
Dependent Claim
41 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR52## where n is an integer between about 2-30; m 1 is an integer between about 3-300; and X is a pendant quinoid substituent selected from ##STR53##
Claim 22
Dependent Claim
69 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR54## where n 1 is an integer between about 0-5; m 1 is an integer between about 3-300; Y is --O--, --S--, --(CH 2 ) 1-10 --, --C(CH 3 ) 2 --, --OCH 2 CH 2 O--, --CH═CH--, --C.tbd.C--, or Y is a covalent bond; and X is a pendant quinoid substituent selected from ##STR55##
Claim 23
Dependent Claim
69 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR54## where n 1 is an integer between about 0-5; m 1 is an integer between about 3-300; Y is --O--, --S--, --(CH 2 ) 1-10 --, --C(CH 3 ) 2 --, --OCH 2 CH 2 O--, --CH═CH--, --C.tbd.C--, or Y is a covalent bond; and X is a pendant quinoid substituent selected from ##STR55##
Claim 24
Dependent Claim
77 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR56## where n is an integer between about 2-30; m 1 is an integer between about 3-300; R 2 is a divalent radical selected from ##STR57## Y is --O--, --S--, --(CH 2 ) 1-10 --, --C(CH 3 ) 2 --, --OCH 2 CH 2 O--, --CH═CH--, --C.tbd.C--, or Y is a covalent bond; and X is a pendant quinoid substituent selected from ##STR58##
Claim 25
Dependent Claim
77 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR56## where n is an integer between about 2-30; m 1 is an integer between about 3-300; R 2 is a divalent radical selected from ##STR57## Y is --O--, --S--, --(CH 2 ) 1-10 --, --C(CH 3 ) 2 --, --OCH 2 CH 2 O--, --CH═CH--, --C.tbd.C--, or Y is a covalent bond; and X is a pendant quinoid substituent selected from ##STR58##
Claim 26
Dependent Claim
70 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR59## where m 1 is an integer between about 3-300; R 3 is a divalent radical selected from ##STR60## Y is --O--, --S--, --(CH 2 ) 1-10 --, --C(CH 3 ) 2 --, --OCH 2 CH 2 O--, --CH═CH--, --C.tbd.C--, or Y is a covalent bond; and X is a pendant quinoid substituent selected from ##STR61##
Claim 27
Dependent Claim
70 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR59## where m 1 is an integer between about 3-300; R 3 is a divalent radical selected from ##STR60## Y is --O--, --S--, --(CH 2 ) 1-10 --, --C(CH 3 ) 2 --, --OCH 2 CH 2 O--, --CH═CH--, --C.tbd.C--, or Y is a covalent bond; and X is a pendant quinoid substituent selected from ##STR61##
Claim 28
Dependent Claim
69 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR62## where m 1 is an integer between about 3-300; Z is a tetravalent radical selected from ##STR63## Y is --O--, --S--, --(CH 2 ) 1-10 --, --C(CH 3 ) 2 --, --OCH 2 CH 2 O--, --CH═CH--, --C.tbd.C--, or Y is a covalent bond; and X is a pendant quinoid substituent selected from ##STR64##
Claim 29
Dependent Claim
69 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR62## where m 1 is an integer between about 3-300; Z is a tetravalent radical selected from ##STR63## Y is --O--, --S--, --(CH 2 ) 1-10 --, --C(CH 3 ) 2 --, --OCH 2 CH 2 O--, --CH═CH--, --C.tbd.C--, or Y is a covalent bond; and X is a pendant quinoid substituent selected from ##STR64##
Claim 30
Dependent Claim
77 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR65## where m 1 is an integer between about 3-300; n is an integer between about 0-30; R 2 is a divalent radical selected from ##STR66## Y is --O--, --S--, --(CH 2 ) 1-10 --, --C(CH 3 ) 2 --, --OCH 2 CH 2 O--, --CH═CH--, --C.tbd.C--, or Y is a covalent bond; and X is a pendant quinoid substituent selected from ##STR67##
Claim 31
Dependent Claim
77 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR65## where m 1 is an integer between about 3-300; n is an integer between about 0-30; R 2 is a divalent radical selected from ##STR66## Y is --O--, --S--, --(CH 2 ) 1-10 --, --C(CH 3 ) 2 --, --OCH 2 CH 2 O--, --CH═CH--, --C.tbd.C--, or Y is a covalent bond; and X is a pendant quinoid substituent selected from ##STR67##
Claim 32
Dependent Claim
57 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR68## where m 1 is an integer between about 3-300; R 4 is an alkyl, haloalkyl or aromatic group containing between about 1-10 carbon atoms; n 1 is an integer between about 1-100; and X is a pendant quinoid substituent selected from ##STR69##
Claim 33
Dependent Claim
57 words
A polymer which is characterized by a recurring structural unit corresponding to the formula: ##STR68## where m 1 is an integer between about 3-300; R 4 is an alkyl, haloalkyl or aromatic group containing between about 1-10 carbon atoms; n 1 is an integer between about 1-100; and X is a pendant quinoid substituent selected from ##STR69##
References Cited (Backward Citations)
US4461887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-01-11 | 1991-07-13 | 1992-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-11 | 1995-07-13 | 1996-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-11 | 1999-07-13 | 2000-01-12 | $7700.00 | Window Closed / Lapsed |