US2598402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polysiloxane resins with lead tetraphenyl catalyst
Assignee: General Electric Co
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Filing: 1950-10-03
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Granted: 1952-05-27
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Expires: 1970-10-03
Abstract
No abstract record available.
Inventors
- 👤 Glennard R Lucas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:02
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/16; C08G77/06; C08G77/08; C08G77/12; C08G77/18; C08G77/20; C08G77/70; C09; C09D; C09D183/00; C09D183/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A COMPOSITION OF MATTER COMPRISING A HEATHARDENABLE ORGANOPOLYSILOXANE RESIN CONTAINNG AN AVERAGE OF FROM 1.1 TO 1.7 ORGANIC GROUPS PER SILICON ATOM, THE AFORESAID ORGANIC GROUPS BEING ATTACHED TO THE SILICON ATOMS OF THE ORGANOPOLYSILOXANE BY CARBON-SILICON LINKAGES, AND A CURING CATALYST FOR SAID RESIN COMPRISING A SMALL AMOUNT OF LEAD TETRAPHENYL.
Claim 2
Dependent Claim
52 words
A COMPOSITION OF MATTER COMPRISING A HEATHARDENABLE ORGANOPOLYSILOXANE RESIN CONTAINNG AN AVERAGE OF FROM 1.1 TO 1.7 ORGANIC GROUPS PER SILICON ATOM, THE AFORESAID ORGANIC GROUPS BEING ATTACHED TO THE SILICON ATOMS OF THE ORGANOPOLYSILOXANE BY CARBON-SILICON LINKAGES, AND A CURING CATALYST FOR SAID RESIN COMPRISING A SMALL AMOUNT OF LEAD TETRAPHENYL.
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) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |