US4680375A
Expired / Lapsed
US
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Polymeric cyanine dye
Assignee: 3M Co
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Filing: 1985-03-11
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Granted: 1987-07-14
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Expires: 2005-03-11
Abstract
Abstract Tricarbocyanine polymeric dyes have formulae I and II: ##STR1## where Y can be ##STR2## --S--, --Se-- or --O--, A can be ##STR3## in which R 19 can be alkyl or --Cl, and p can be 0 or 1, R 6 and R 7 independently can be alkyl of (C 1 -C 30 ), preferably (C 1 -C 18 ), R 4 and R 5 independently can be --H, C 6 H 5 SO 2 --, or CF 3 SO 2 --, Z can be --SO 2 --, --CH 2 ) m , or vinylene, W can be I - , Br - , Cl - , ClO 4 - , PECHS - (polyethylcyclohexylsulfonate), F 3 CSO 3 - (trifluoromethanesulfonate), or other commonly used dye anions, m is an integer of 1 to 20, and n is an integer of 5 to 10,000.
Inventors
- 👤 Mohamed A. Elmasry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:54
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/24; G11B7/241; G11B7/242; G11B7/244; G11B7/246; G11B7/247; G11B7/2472; C; C09; C09B; C09B69/00; C09B69/10; C09B69/105; G11B7/245; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
103 words
A polymeric tricarbocyanine dye with a rigidized chain having tricarbocyanine polymeric dye units of formula I: ##STR19## wherein Y is ##STR20## --S--, --Se-- or --O--, A is ##STR21## in which R 19 is alkyl, --Cl, amino, alkyl (C 1 to C 4 ) substituted amino, phenyl or cyclized amine, and p is 0 or 1, R 6 and R 7 independently are alkyl of (C 1 -C 30 ), Z is --SO 2 --, --CH 2 ) m , or vinylene, wherein m is an integer of 1 to 20, W is a dye anion, and n is an integer 2 to 10,000.
Claim 2
Dependent Claim
103 words
A polymeric tricarbocyanine dye with a rigidized chain having tricarbocyanine polymeric dye units of formula I: ##STR19## wherein Y is ##STR20## --S--, --Se-- or --O--, A is ##STR21## in which R 19 is alkyl, --Cl, amino, alkyl (C 1 to C 4 ) substituted amino, phenyl or cyclized amine, and p is 0 or 1, R 6 and R 7 independently are alkyl of (C 1 -C 30 ), Z is --SO 2 --, --CH 2 ) m , or vinylene, wherein m is an integer of 1 to 20, W is a dye anion, and n is an integer 2 to 10,000.
Claim 3
Dependent Claim
16 words
The polymeric dye according to claim 1 which absorbs radiation in the range of 700-900 nm.
Claim 4
Dependent Claim
14 words
The polymeric dye according to claim 1 which absorbs radiation in the infrared range.
Claim 5
Dependent Claim
16 words
The polymeric dye according to claim 1 which absorbs radiation in the range of 800-850 nm.
Claim 6
Dependent Claim
19 words
The polymeric dye according to claim 1 which is capable of undergoing thermoplastic deformation by a focused laser beam.
Claim 7
Dependent Claim
36 words
The polymeric dye according to claim 1 which when a layer of thickness in the range of 0.1 to 100 micrometers has an absorption coefficient in the range of 10 to 10 5 cm -1 .
Claim 8
Dependent Claim
10 words
The polymeric dye according to claim 1 which is film-forming.
Claim 9
Dependent Claim
59 words
A polymeric tricarbocyanine dye according to claim 1 prepared by reacting a bis-heterocyclic quaternary salt ##STR22## wherein Z is --SO 2 -- or (CH 2 ) m , Y is --C(CH 3 ) 2 , --S--, --Se-- or --O--, and W is a dye anion, and m is an integer of 1 to 20, with a pentamethine bridging compound.
Claim 10
Dependent Claim
37 words
The dye according to claim 8 wherein said pentamethine bridging compound is ##STR23## wherein p is 0 or 1, and R 19 is alkyl, amino, alkyl (C 1 to C 4 ) substituted amino, or cyclic amino.
Claim 11
Dependent Claim
31 words
The dye according to claim 8 wherein said pentamethine bridging compound is ##STR24## wherein R 19 is alkyl, amino, alkyl (C 1 to C 4 ) substituted amino, or cyclic amino.
Claim 12
Dependent Claim
31 words
The dye according to claim 8 wherein said pentamethine bridging compound is ##STR25## wherein R 19 is alkyl, amino, alkyl (C 1 to C 4 ) substituted amino, or cyclic amino.
Claim 13
Dependent Claim
31 words
The dye according to claim 8 wherein said pentamethine bridging compound is ##STR26## wherein R 19 is alkyl, amino, alkyl (C 1 to C 4 ) substituted amino, or cyclic amino.
Claim 14
Dependent Claim
26 words
The polymeric dye having the formula ##STR27## wherein W is I - or ClO 4 - , and n is an integer of 5 to 10,000.
Claim 15
Dependent Claim
26 words
The polymeric dye having the formula ##STR27## wherein W is I - or ClO 4 - , and n is an integer of 5 to 10,000.
References Cited (Backward Citations)
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