Patent US3483849A successfully refreshed from Google Patents.
US3287291A
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US
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Diorganosiloxanes cured with an alkoxy end-blocked silyl tetraformal
Assignee: Union Carbide Corp
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Filing: 1962-07-12
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Granted: 1966-11-22
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Expires: 1982-07-12
Abstract
No abstract record available.
Inventors
- 👤 Hans H Ender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:54
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/04; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/16
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
60 words
A COMPOSITION OF MATTER CURABLE TO AN ELASTOMER AT ROOM TEMPERATURE WHICH IS STABLE WHEN MAINTAINED UNDER REFRIGERATION IN A CLOSED CONTAINER AND WHICH COMPRISES (1) 100 PARTS BY WEIGHT OF A DIORGANOPOLYSILOXANE FLUID HAVING AN AVERAGE OF ABOUT TWO SILICON BONDED HYDROXY GROUPS PER MOLECULE, SAID FLUID BEING AN ESSENTIALLY LINEAR DIORGANOPOLYSILOXANE CONSISTING ESSENTIALLY OF UNITS OF THE FORMULA:
Claim 2
Dependent Claim
60 words
A COMPOSITION OF MATTER CURABLE TO AN ELASTOMER AT ROOM TEMPERATURE WHICH IS STABLE WHEN MAINTAINED UNDER REFRIGERATION IN A CLOSED CONTAINER AND WHICH COMPRISES (1) 100 PARTS BY WEIGHT OF A DIORGANOPOLYSILOXANE FLUID HAVING AN AVERAGE OF ABOUT TWO SILICON BONDED HYDROXY GROUPS PER MOLECULE, SAID FLUID BEING AN ESSENTIALLY LINEAR DIORGANOPOLYSILOXANE CONSISTING ESSENTIALLY OF UNITS OF THE FORMULA:
Claim 3
Dependent Claim
46 words
THE CURED COMPOSITION OBTAINED FROM A MIXTURE OF INGREDIENTS COMPRISING (1) 100 PARTS BY WEIGHT OF A DIORGANOPOLYSILOXANE FLUID HAVING A HYDROXY GROUP BONDED TO EACH OF THE TERMINAL SILICON ATOMS THEREOF, SAID FLUID BEING AN ESSENTIALLY LINEAR DIORGANOPOLYSILOXANE CONSISTING ESSENTIALLY OF UNITS OF THE FORMULA:
Claim 4
Dependent Claim
46 words
THE CURED COMPOSITION OBTAINED FROM A MIXTURE OF INGREDIENTS COMPRISING (1) 100 PARTS BY WEIGHT OF A DIORGANOPOLYSILOXANE FLUID HAVING A HYDROXY GROUP BONDED TO EACH OF THE TERMINAL SILICON ATOMS THEREOF, SAID FLUID BEING AN ESSENTIALLY LINEAR DIORGANOPOLYSILOXANE CONSISTING ESSENTIALLY OF UNITS OF THE FORMULA:
References Cited (Backward Citations)
US2902467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |