US2613199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic hydrocarbonstjbstituted
Assignee: —
•
Filing: —
•
Granted: 1952-10-07
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Expires: 1969-10-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:04
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08L83/14; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A HEAT-CONVERTIBLE COMPOSITION OF MATTER COMPRISING (1) A HEAT-CURABLE POLYMERIZED HYDROCARBON-SUBSTITUTED POLYSILOXANE WHEREIN THE HYDROCARBON RADICALS ARE SELECTED FROM THE CLASS CONISTING OF ALKYL, ARYL, ARALKYL, AND ALKARYL RADICALS, AND CONTAINING AN AVERAGE OF FROM 1.95 TO 2.1 HYDROCARBON GROUPS PER SILICON ATOM AND (2) AN ALIPHATIC AZO COMPOUND PRESENT, BY WEIGHT, IN AN AMOUNT EQUAL TO FROM ABOUT 0.1 TO 10% BY WEIGHT OF (1).
Claim 2
Dependent Claim
66 words
A HEAT-CONVERTIBLE COMPOSITION OF MATTER COMPRISING (1) A HEAT-CURABLE POLYMERIZED HYDROCARBON-SUBSTITUTED POLYSILOXANE WHEREIN THE HYDROCARBON RADICALS ARE SELECTED FROM THE CLASS CONISTING OF ALKYL, ARYL, ARALKYL, AND ALKARYL RADICALS, AND CONTAINING AN AVERAGE OF FROM 1.95 TO 2.1 HYDROCARBON GROUPS PER SILICON ATOM AND (2) AN ALIPHATIC AZO COMPOUND PRESENT, BY WEIGHT, IN AN AMOUNT EQUAL TO FROM ABOUT 0.1 TO 10% BY WEIGHT OF (1).
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |