US3085102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing alkyl tin halide compounds
Assignee: Nippon Shokubai Co Ltd
•
Filing: 1960-04-11
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Granted: 1963-04-09
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Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Yatagai Taizo
- 👤 Matsuda Sumio
- 👤 Matsuda Haruo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:15
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/22; C07F7/2208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A METHOD FOR THE PRODUCTION OF ALKYL TIN HALIDE, COMPRISING THE STEPS OF REACTING METALLIC TIN WITH ALKYL HALIDE HAVING NOT MORE THAN 12 CARBON ATOMS IN THE ALKYL GROUP, IN THE PRESENCE OF AN INERT LIQUID SOLVENT SELECTED FROM THE CLASS CONSISTING OF ALCOHOLS, ETHERS CHARACTERIZED BY THE -O- GROUP, ESTERS AND TETRAHYDROFURAN, IN THE PRESENCE OF CATALYST IN AN AMOUNT OF 0.1 TO 1.0% BY WEIGHT OF THE TIN AND SELECTED FROM THE CLASS CONSISTING OF MG, AL, SI, CA, TI, V, CR, MN, FE, CO, NI, CU, ZN, ZR, MO, CD, SB, W, HG, PB, BI AND SR, AND IN THE PRESENCE OF AN ORGANOMETAL COMPOUND OF THE GENERAL FORMULA RMX IN WHICH M IS THE SAME METAL AS SAID CATALYST, R IS ALKYL HAVING 1 TO 12 CARBON ATOMS, AND X IS HALOGEN.
Claim 2
Independent Claim
137 words
A METHOD FOR THE PRODUCTION OF ALKYL TIN HALIDE, COMPRISING THE STEPS OF REACTING METALLIC TIN WITH ALKYL HALIDE HAVING NOT MORE THAN 12 CARBON ATOMS IN THE ALKYL GROUP, IN THE PRESENCE OF AN INERT LIQUID SOLVENT SELECTED FROM THE CLASS CONSISTING OF ALCOHOLS, ETHERS CHARACTERIZED BY THE -O- GROUP, ESTERS AND TETRAHYDROFURAN, IN THE PRESENCE OF CATALYST IN AN AMOUNT OF 0.1 TO 1.0% BY WEIGHT OF THE TIN AND SELECTED FROM THE CLASS CONSISTING OF MG, AL, SI, CA, TI, V, CR, MN, FE, CO, NI, CU, ZN, ZR, MO, CD, SB, W, HG, PB, BI AND SR, AND IN THE PRESENCE OF AN ORGANOMETAL COMPOUND OF THE GENERAL FORMULA RMX IN WHICH M IS THE SAME METAL AS SAID CATALYST, R IS ALKYL HAVING 1 TO 12 CARBON ATOMS, AND X IS HALOGEN.
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |