US3215648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising a filled blend of a polyepoxysilicone and a phenol aldehyde resin; and process of forming same
Assignee: Atlantic Research Corp
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Filing: 1962-08-27
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Granted: 1965-11-02
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Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 James V Duffy
- 👤 Gladys C Vasileff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:10
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G59/306; C08G59/32; C08G59/3254; C08L; C08L63/00; Y; Y10; Y10S; Y10S521/00; Y10S521/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A COMPOSITION HAVING AN AVERAGE INSULATION INDEX OF AT LEAST ABOUT 120 SEC./IN. AT 600*F. WHEN FILLED WITH 45 PERCENT OF ASBESTOS COMPRISING THE REACTION PRODUCT OF A SOLUBLE PHENOL-ALDHYDE CONDENSATE CONTAINING REACTIVE ALCOHOLIC HYDROXYL GROUPS AND A POLYEPOXYORGANOSILICON COMPOUND FREE OF FUNCTIONAL GROUPS WHICH INTERFERE WITH THE REACTION OF THE EPOXY GROUPS OF THE POLYEPOXYORGANOSILICON COMPOUND AND SAID ALCOHOLIC HYDROXY GROUPS WHEREIN SAID COMPOUND IS SELECTED FROM THE GROUP CONSISTING OF 1,3 - BIS(3(2,3-EPOXYPROPOXY)PROPYL) - TETRAMETHYLDISILOXANE, 1,3,5,7,9-PENTAKIS(3)2,3-EPOXYPROPOXY)PROPYL)-PENTAMETHYLCYCLOPENTASILOXANE,
Claim 2
Dependent Claim
78 words
A COMPOSITION HAVING AN AVERAGE INSULATION INDEX OF AT LEAST ABOUT 120 SEC./IN. AT 600*F. WHEN FILLED WITH 45 PERCENT OF ASBESTOS COMPRISING THE REACTION PRODUCT OF A SOLUBLE PHENOL-ALDHYDE CONDENSATE CONTAINING REACTIVE ALCOHOLIC HYDROXYL GROUPS AND A POLYEPOXYORGANOSILICON COMPOUND FREE OF FUNCTIONAL GROUPS WHICH INTERFERE WITH THE REACTION OF THE EPOXY GROUPS OF THE POLYEPOXYORGANOSILICON COMPOUND AND SAID ALCOHOLIC HYDROXY GROUPS WHEREIN SAID COMPOUND IS SELECTED FROM THE GROUP CONSISTING OF 1,3 - BIS(3(2,3-EPOXYPROPOXY)PROPYL) - TETRAMETHYLDISILOXANE, 1,3,5,7,9-PENTAKIS(3)2,3-EPOXYPROPOXY)PROPYL)-PENTAMETHYLCYCLOPENTASILOXANE,
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |