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Patent US4826978A successfully refreshed from Google Patents.
US4826978A
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Reactive, non-yellowing triazine compounds useful as UV screening agents for polymers
Assignee: MILLIKEN RESEARCH Corp A CORP OF
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Filing: 1987-12-29
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Granted: 1989-05-02
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Expires: 2007-12-29
Abstract
Abstract Triazine compounds are disclosed which are useful for imparting UV screening properties to polymers of the formula: ##STR1## wherein R is an electron withdrawing group; R 1 is H, ##STR2## where R 3 is an alkyl group having from one to about six carbon atoms; and R 2 is selected from H and CH 3 , also disclosed are polymer compositions having improved UV screening properties containing said triazine compounds.
Inventors
- 👤 Cyril A. Migdal
- 👤 John B. Hines
- 👤 Edward W. Kluger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:30
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477; C08K5/3492; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/14; C07D251/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A triazine compound useful for imparting UV screening properties which is represented by the formula: ##STR6## wherein R is selected from chlorine, bromine, fluorine, R 1 is H, ##STR7## where R 3 is an alkyl group having from one to 6 carbon atoms; and R 2 is selected from H and CH 3 .
Claim 2
Dependent Claim
54 words
A triazine compound useful for imparting UV screening properties which is represented by the formula: ##STR6## wherein R is selected from chlorine, bromine, fluorine, R 1 is H, ##STR7## where R 3 is an alkyl group having from one to 6 carbon atoms; and R 2 is selected from H and CH 3 .
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-05-01 | 1992-10-31 | 1993-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-01 | 1996-10-31 | 1997-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-01 | 2000-10-31 | 2001-05-02 | $7700.00 | Window Closed / Lapsed |