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US4450305A
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Poly(ethyleneoxy)-substituted-9,10-bis(phenylethynyl)anthracenes
Assignee: Omniglow Corp
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Filing: 1982-10-25
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Granted: 1984-05-22
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Expires: 2002-10-25
Abstract
Abstract Fluorescers for use in chemiluminescent mixtures having aqueous or organic solvent systems. The compounds have the formula <IMAGE> (I) wherein m is an integer from 1 to 5, n is an integer from 1 to 20, and R represents hydrogen, or C1-C5 alkyl. In the preferred embodiments m is 1, n is 5, and R is methyl, or hydrogen.
Inventors
- 👤 Victor M. Kamhi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:12
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/06; C09K11/07; C07; C07C; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/24
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
34 words
A compound having the structural formula ##STR3## wherein m is an integer from 1 to 5, n is an integer from 1 to 20, and R represents hydrogen, or C 1 -C 5 alkyl.
Claim 2
Dependent Claim
34 words
A compound having the structural formula ##STR3## wherein m is an integer from 1 to 5, n is an integer from 1 to 20, and R represents hydrogen, or C 1 -C 5 alkyl.
Claim 3
Dependent Claim
17 words
A compound defined by claim 1 wherein m is 1, n is 5 and R is methyl.
Claim 4
Dependent Claim
17 words
A compound defined by claim 1 wherein m is 1, n is 5 and R is Hydrogen.
References Cited (Backward Citations)
US3244674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-05-22 | 1987-11-21 | 1988-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-22 | 1991-11-21 | 1992-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-22 | 1995-11-21 | 1996-05-22 | $7700.00 | Window Closed / Lapsed |