US3387915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions and methods for production of colored glass fibers
Assignee: Dow Silicones Corp
•
Filing: 1962-10-01
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Granted: 1968-06-11
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Expires: 1982-10-01
Abstract
No abstract record available.
Inventors
- 👤 Willis Nathaniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:33
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/673; D06P1/67383; C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; D06P1/52; D06P1/5264; D06P1/5292
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS OF COLORING GLASS FABRIC WHICH COMPRISES APPLYING THE REACTION PRODUCT OF AMMONIA AND A MIXTURE OF FROM ABOUT 20 TO 80 MOLAR PERCENT OF A HALOSILANE HAVING THE FORMULA R2SIHAL2 AND THE BALANCE OF SAID MIXTURE BEING A HALOSILANE HAVING THE FORMULA RSIHAL3 IN WHICH FORMULATE HAL IS A MEMBER OF THE HALOGEN GROUP AND R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL, LOWER ALKENYL AND ARYL, AND A DYE TO GLASS FABRIC.
Claim 2
Dependent Claim
78 words
A PROCESS OF COLORING GLASS FABRIC WHICH COMPRISES APPLYING THE REACTION PRODUCT OF AMMONIA AND A MIXTURE OF FROM ABOUT 20 TO 80 MOLAR PERCENT OF A HALOSILANE HAVING THE FORMULA R2SIHAL2 AND THE BALANCE OF SAID MIXTURE BEING A HALOSILANE HAVING THE FORMULA RSIHAL3 IN WHICH FORMULATE HAL IS A MEMBER OF THE HALOGEN GROUP AND R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL, LOWER ALKENYL AND ARYL, AND A DYE TO GLASS FABRIC.
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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) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |