US3068199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic process for producing organopolysiloxane resins
Assignee: Union Carbide Corp
•
Filing: 1959-02-02
•
Granted: 1962-12-11
•
Expires: 1979-02-02
Abstract
No abstract record available.
Inventors
- 👤 Ralph F Sellers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:19
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
METHOD OF PRODUCING A HARDENABLE ORGANOPOYLSILOXANE RESIN WHICH COMPRISES CONDENSING A SILANOL PRODUCED BY THE WATER HYDROLYSIS OF SILANES HAVING THE FORMULA
Claim 2
Dependent Claim
22 words
METHOD OF PRODUCING A HARDENABLE ORGANOPOYLSILOXANE RESIN WHICH COMPRISES CONDENSING A SILANOL PRODUCED BY THE WATER HYDROLYSIS OF SILANES HAVING THE FORMULA
References Cited (Backward Citations)
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US2881184A
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US2907782A
Cited
US2942019A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |