US2710290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organopolysiloxane-polytetrafluoroethylene mixtures
Assignee: General Electric Co
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Filing: 1953-04-03
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Granted: 1955-06-07
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Expires: 1973-04-03
Abstract
No abstract record available.
Inventors
- 👤 Moyer M Safford
- 👤 Arthur M Bueche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:47
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/18; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/20; C08G77/22; C08G77/24; C08G77/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A COMPOSITION OF MATTER COMPRISING A MIXTURE OF INGREDIENTS COMPRISING (1) AN ORGANOPOLYSILOXANE CONVERTIBLE BY HEAT TO THE CURED, SOLID, ELASTIC STATE, THE ORGANIC GROUPS OF THE AFORESAID ORGANOPOLYSILOXANE COMPRISING MONOVALENT HYDROCARBON RADICALS ATTACHED TO SILICON BY CARBON-SILICON LINKAGES, AND THERE BEING PRESENT IN THE ORGANOPOLYSILOXANE FROM 1.98 TO 2.25 ORGANIC GROUPS PER SILICON ATOM, AND (2) A MINOR PROPORTION OF SOLID POLYETRAFLUOROETHYLENE DISPERSED THROUGHOUT THE AFORESAID ORGANOPOLYSILOXANE IN THE FORM OF RANDOMLY DISTRIBUTED FIBERS.
Claim 2
Dependent Claim
75 words
A COMPOSITION OF MATTER COMPRISING A MIXTURE OF INGREDIENTS COMPRISING (1) AN ORGANOPOLYSILOXANE CONVERTIBLE BY HEAT TO THE CURED, SOLID, ELASTIC STATE, THE ORGANIC GROUPS OF THE AFORESAID ORGANOPOLYSILOXANE COMPRISING MONOVALENT HYDROCARBON RADICALS ATTACHED TO SILICON BY CARBON-SILICON LINKAGES, AND THERE BEING PRESENT IN THE ORGANOPOLYSILOXANE FROM 1.98 TO 2.25 ORGANIC GROUPS PER SILICON ATOM, AND (2) A MINOR PROPORTION OF SOLID POLYETRAFLUOROETHYLENE DISPERSED THROUGHOUT THE AFORESAID ORGANOPOLYSILOXANE IN THE FORM OF RANDOMLY DISTRIBUTED FIBERS.
References Cited (Backward Citations)
US2459653A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |