US2919173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyed fibrous glass material and process of dyeing
Assignee: JP Stevens and Co Inc
•
Filing: 1958-05-20
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Granted: 1959-12-29
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Expires: 1978-05-20
Abstract
No abstract record available.
Inventors
- 👤 Jr William T Roff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:46
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/465; C03C25/475; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PROCESS WHICH COMPRISES TREATING A GLASS FIBER WITH AN AMIDE OF AN AMINOALKYTRIALKOXYSILANE IN WHICH THE ALKYL GROUP CONTAINS ABOUT 2 TO 5 CARBON ATOMS AND THE AKLOXY GROUPS EACH CONTAIN ABOUT 1 TO 3 CARBON ATOMS AND OF AN AROMATIC CARBOXYLIC ACID CONTAINED IN A WATER MEDIUM, THE FIBER CONTAINING ABOUT 30 TO 60% BY WEIGHT OF AMIDE-WATER, DRYING THE FIBER UNDER CONDITIONS SUCH THAT THE AMIDE REACTS WITH THE FIBER, AND TREATING THE RESULTANT FIBER WITH A DIAZONIUM SALT TO PRODUCE A COLOR-FAST FIBER.
Claim 2
Dependent Claim
87 words
A PROCESS WHICH COMPRISES TREATING A GLASS FIBER WITH AN AMIDE OF AN AMINOALKYTRIALKOXYSILANE IN WHICH THE ALKYL GROUP CONTAINS ABOUT 2 TO 5 CARBON ATOMS AND THE AKLOXY GROUPS EACH CONTAIN ABOUT 1 TO 3 CARBON ATOMS AND OF AN AROMATIC CARBOXYLIC ACID CONTAINED IN A WATER MEDIUM, THE FIBER CONTAINING ABOUT 30 TO 60% BY WEIGHT OF AMIDE-WATER, DRYING THE FIBER UNDER CONDITIONS SUCH THAT THE AMIDE REACTS WITH THE FIBER, AND TREATING THE RESULTANT FIBER WITH A DIAZONIUM SALT TO PRODUCE A COLOR-FAST FIBER.
References Cited (Backward Citations)
US2715133A
Cited
US2832754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |