US2843555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Room temperature curing organopolysiloxane
Assignee: General Electric Co
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Filing: 1956-10-01
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Granted: 1958-07-15
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Expires: 1976-10-01
Abstract
No abstract record available.
Inventors
- 👤 Charles A Berridge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:05
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; Y; Y10; Y10S; Y10S528/00; Y10S528/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
THE CURED COMPOSITION OBTAINED FROM A MIXTURE OF INGREDIENTS COMPRISING (1) A LINEAR, FLUID ORGANOPOLYSILOXANE CONTAINING TERMINAL SILICON-BONDED HYDROXY GROUPS CONVERTIBLE TO THE CURED, SOLID, ELASTIC STATE AND HAVING A VISCOSITY OF FROM 1,000 TO 50,000 CENTIPOISES WHEN MEASURED AT 25*C., THE ORGANIC GROUPS OF THE AFORESAID ORGANOPOLYSILOXANE BEING SELECTED FROM THE CLASS CONSISTING OF MONOVALENT HYDROCARBON RADICALS AND HALOGENATED ARYL RADICALS ATTACHED TO SILICON BY CARBON-SILICON LINKAGES, (2) AN ALKYL SILICATE SELECTED FROM THE CLASS CONSISTING OF (A) MONOMERIC ORGANOSILICATES CORRESPONDING TO THE GENERAL FORMULA
Claim 2
Dependent Claim
86 words
THE CURED COMPOSITION OBTAINED FROM A MIXTURE OF INGREDIENTS COMPRISING (1) A LINEAR, FLUID ORGANOPOLYSILOXANE CONTAINING TERMINAL SILICON-BONDED HYDROXY GROUPS CONVERTIBLE TO THE CURED, SOLID, ELASTIC STATE AND HAVING A VISCOSITY OF FROM 1,000 TO 50,000 CENTIPOISES WHEN MEASURED AT 25*C., THE ORGANIC GROUPS OF THE AFORESAID ORGANOPOLYSILOXANE BEING SELECTED FROM THE CLASS CONSISTING OF MONOVALENT HYDROCARBON RADICALS AND HALOGENATED ARYL RADICALS ATTACHED TO SILICON BY CARBON-SILICON LINKAGES, (2) AN ALKYL SILICATE SELECTED FROM THE CLASS CONSISTING OF (A) MONOMERIC ORGANOSILICATES CORRESPONDING TO THE GENERAL FORMULA
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) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |