US2600307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making methyl-substituted disiloxane diols
Assignee: General Electric Co
•
Filing: 1950-03-15
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Granted: 1952-06-10
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Expires: 1970-03-15
Abstract
No abstract record available.
Inventors
- 👤 Glennard R Lucas
- 👤 Robert W Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:26
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0874; C07F7/0836
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
THE PROCESS OF MAKING A METHYLORGANODISILOXANE DIOL WHICH COMPRISES (1) HYDROLYZING AT A TEMPERATURE BELOW 25* C. WHILE MAINTAINING A PH OF AROUND 5 TO 10 THROUGHOUT ESSENTIALLY THE ENTIRE PERIOD OF HYDROLYSIS, A DIORGANODIHALOGENOSILANE CORRESPONDING TO THE GENERAL FORMULA CH2RSIX2 WHERE R IS A MONOVALENT HYDROCARBON RADIAL SELECTED FROM THE CLASS CONSISTING OF SATURATED ALIPHATIC, UNSATURATED ALIPHATIC, ARYL, ALKARYL, ARALKYL, AND CYCLOALIPHATIC RADICALS, AND X IS A HALOGEN, AND (2) ISOLATING THE FORMED METHYLORGANODISILOXANE DIOL.
Claim 2
Dependent Claim
76 words
THE PROCESS OF MAKING A METHYLORGANODISILOXANE DIOL WHICH COMPRISES (1) HYDROLYZING AT A TEMPERATURE BELOW 25* C. WHILE MAINTAINING A PH OF AROUND 5 TO 10 THROUGHOUT ESSENTIALLY THE ENTIRE PERIOD OF HYDROLYSIS, A DIORGANODIHALOGENOSILANE CORRESPONDING TO THE GENERAL FORMULA CH2RSIX2 WHERE R IS A MONOVALENT HYDROCARBON RADIAL SELECTED FROM THE CLASS CONSISTING OF SATURATED ALIPHATIC, UNSATURATED ALIPHATIC, ARYL, ALKARYL, ARALKYL, AND CYCLOALIPHATIC RADICALS, AND X IS A HALOGEN, AND (2) ISOLATING THE FORMED METHYLORGANODISILOXANE DIOL.
References Cited (Backward Citations)
US2258218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |