US3244645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making chelated organo-stannotitanoxane polymers
Assignee: Raytheon Co
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Filing: 1960-09-28
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Granted: 1966-04-05
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Expires: 1980-09-28
Abstract
No abstract record available.
Inventors
- 👤 Hideyo H Takimoto
- 👤 John B Rust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:28
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A PROCESS FOR THE PRODUCTION OF AN ORGANO-TIN-CHELATED TITANIUM OXIDE POLYMER COMPRISING REACTING, BY ORGANIC ESTER ELIMINATION UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS, APPROXIMATELY EQUIMOLAR AMOUNTS OF AN ORGANO ACYLOXY STANNANE HAVING THE GENERAL FORMULA R2SN(OOCR'')4-2 WITH A DIALKOXY TITANIUM DICHELATE HAVING THE GENERAL FORMULA.
Claim 2
Dependent Claim
43 words
A PROCESS FOR THE PRODUCTION OF AN ORGANO-TIN-CHELATED TITANIUM OXIDE POLYMER COMPRISING REACTING, BY ORGANIC ESTER ELIMINATION UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS, APPROXIMATELY EQUIMOLAR AMOUNTS OF AN ORGANO ACYLOXY STANNANE HAVING THE GENERAL FORMULA R2SN(OOCR'')4-2 WITH A DIALKOXY TITANIUM DICHELATE HAVING THE GENERAL FORMULA.
References Cited (Backward Citations)
US2643262A
Cited
US2998407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |