US2957744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicon-containing ice colors
Assignee: Union Carbide Corp
•
Filing: 1957-04-29
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Granted: 1960-10-25
•
Expires: 1977-04-29
Abstract
No abstract record available.
Inventors
- 👤 Donald L Bailey
- 👤 Ronald M Pike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:37
CPC Classifications
C; C09; C09B; C09B69/00; C09B69/008; D; D06; D06P; D06P1/00; D06P1/02; D06P1/12; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917; Y10S8/918; Y10S8/92; Y10S8/921; Y10S8/924
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A METHOD OF DYEING FIBROUS MATERIAL, WHICH COMPRISES IMPREGNATING SAID FIBROUS MATERIAL WITH AN ICE COLOR COUPLING COMPONENT AND THEN CONTACTING SAID IMPREGNATED MATERIAL WITH A DIAZONIUM SALT OF AN AMINOARYLALKOXYSILILANE REPRESENTED BY THE FORMULA:
Claim 2
Independent Claim
35 words
A METHOD OF DYEING FIBROUS MATERIAL, WHICH COMPRISES IMPREGNATING SAID FIBROUS MATERIAL WITH AN ICE COLOR COUPLING COMPONENT AND THEN CONTACTING SAID IMPREGNATED MATERIAL WITH A DIAZONIUM SALT OF AN AMINOARYLALKOXYSILILANE REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
US2649353A
Cited
US2317965A
Cited
US2751133A
Cited
US2849333A
Cited
US2832754A
Cited
US2778746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |