US2596085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic hydrocarbon-substituted polysiloxanes and ammonium carbonate as catalyst
Assignee: General Electric Co
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Filing: 1951-08-22
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Granted: 1952-05-06
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Expires: 1971-08-22
Abstract
No abstract record available.
Inventors
- 👤 Wilbur J Wormuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:07
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/24; C08K3/26; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/16; C08G77/20; C08K3/34; C08K3/36; C08L; C08L83/00; C08L83/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A HEAT-CONVERTIBLE COMPOSITION OF MATTER COMPRISING (1) A HEAT-CURABLE POLYMERIZED HYDROCARBON-SUBSTITUTED POLYSILOXANE, WHEREIN THE HYDROCARBON RADICALS ARE MEMBERS SELECTED FROM THE CLASS CONSISTING OF ALKYL, ARYL, ARALKYL AND ALKARYL RADICALS, AND CONTAINING AN AVERAGE OF FROM 1.95 TO 2.2 HYDROCARBON GROUPS PER SILICON ATOM, AND (2) A MINOR PROPORTION OF AMMONIUM CARBONATE AS A CURE ACCELERATOR FOR THE AFORESAID POLYSILOXANE.
Claim 2
Dependent Claim
60 words
A HEAT-CONVERTIBLE COMPOSITION OF MATTER COMPRISING (1) A HEAT-CURABLE POLYMERIZED HYDROCARBON-SUBSTITUTED POLYSILOXANE, WHEREIN THE HYDROCARBON RADICALS ARE MEMBERS SELECTED FROM THE CLASS CONSISTING OF ALKYL, ARYL, ARALKYL AND ALKARYL RADICALS, AND CONTAINING AN AVERAGE OF FROM 1.95 TO 2.2 HYDROCARBON GROUPS PER SILICON ATOM, AND (2) A MINOR PROPORTION OF AMMONIUM CARBONATE AS A CURE ACCELERATOR FOR THE AFORESAID POLYSILOXANE.
References Cited (Backward Citations)
US2546036A
Cited
US2482276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |