US5328976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon-containing black glass monoliths
Assignee: Honeywell International Inc
•
Filing: 1991-12-23
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Granted: 1994-07-12
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Expires: 2011-12-23
Abstract
Abstract Carbon-containing black glass compositions of matter having the empirical formula SiCxOy and derived from the polymer precursors having the residue <IMAGE> or <IMAGE>
Inventors
- 👤 Roger Y. Leung
- 👤 Stephen T. Gonczy
- 👤 Ming S. Shum
- 👤 Joseph J. Zupancic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:14
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/045; C03C10/00; C03C10/0009; C03C3/076; C08; C08G; C08G77/00; C08G77/48; C08G77/50; C08L; C08L83/00; C08L83/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
46 words
A polymer precursor to a black glass ceramic containing the moieties ##STR8## where R o is an alkyl group having 1 to 18 carbon atoms R" is H, an alkyl group having 1 to 20 carbon atoms, or an alkene having 2 to 20 carbon atoms.
Claim 2
Dependent Claim
46 words
A polymer precursor to a black glass ceramic containing the moieties ##STR8## where R o is an alkyl group having 1 to 18 carbon atoms R" is H, an alkyl group having 1 to 20 carbon atoms, or an alkene having 2 to 20 carbon atoms.
Claim 3
Dependent Claim
46 words
A polymer precursor to a black glass ceramic containing the moieties ##STR9## where R o is an alkene group having 1 to 18 carbon atoms R" is H, an alkyl group having 1 to 20 carbon atoms, or an alkene having 2 to 20 carbon atoms.
Claim 4
Dependent Claim
46 words
A polymer precursor to a black glass ceramic containing the moieties ##STR9## where R o is an alkene group having 1 to 18 carbon atoms R" is H, an alkyl group having 1 to 20 carbon atoms, or an alkene having 2 to 20 carbon atoms.
References Cited (Backward Citations)
US3109826A
Cited
US2766220A
Cited
US2793222A
Cited
US3197433A
Cited
US3197432A
Cited
US3439014A
Cited
US3271362A
Cited
US3378431A
Cited
GB1359576A
Cited
US3957717A
Cited
US4472510A
Cited
US4618591A
Cited
EP0178191A1
Cited
US4618666A
Cited
US4935379A
Cited
US5180694A
Cited
US4981820A
Cited
EP0490401A2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-07-11 | 1998-01-10 | 1998-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-07-11 | 2002-01-10 | 2002-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-07-11 | 2006-01-10 | 2006-07-12 | $7700.00 | Window Closed / Lapsed |