Patent US2622601A successfully refreshed from Google Patents.
Patent US3786015A successfully refreshed from Google Patents.
US3786015A
Expired / Lapsed
US
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Method for preparing fast curing silanol-containing organopolysiloxane resins and use of such resins
Assignee: General Electric Co
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Filing: 1971-12-22
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Granted: 1974-01-15
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Expires: 1991-12-22
Abstract
Abstract METHOD FOR PREPARING FAST CURING SILANOL-CONTAINING ORGANOPOLYSILOXANE RESINS IS PROVIDED. ORGANOHALOSILANES ARE HYDROLYZED IN A WATER IMMISCIBLE ORGANIC SOLVENT, UTILIZING ACETONE AS A COSOLVENT. SELECTED PORTIONS OF CERTAIN CARBOXYLIC ACID SALTS ARE ADDED IN INCREMENTS. THE SUBJECT RESINS ARE FAST CURING AND ARE ESPECIALLY USEFUL IN COATING FORMULATIONS.
Inventors
- 👤 D Merrill
- 👤 P Lavan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:13
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/46; C04B41/49; C04B41/4905; C04B41/495; C04B41/4961; C04B41/4966; C04B41/80; C04B41/81; C04B41/82; C04B41/84; C08; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/16; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |