Certain pyridinium haloether silanes and derivatives
Abstract
Abstract QUATERNARY AMMONIUM SALTS OF THE FORMULA Z(+)-CH(-R'')-O-R-SI(-Q)(-Q'')-Q" X(-) WHERE Q, Q'' AND Q" ARE HYDROGEN, HALOGEN, HYDROXYL, MONOVALENT HYDROCARBON AND HALOHYDROCARBON RADICALS THAT ARE FREE OF ALIPHATIC UNSATURATION, $O-, $COO-, $2C=N-O, $=C=N-O- OR R"O(CH2CH2O)M-, $ IS HYDROCARBON OR HALOHYDROCARBON RADICALS, R" IS AN ALKYL, M IS 1 TO 2, R IS DIVALENT ALIPHATIC OR CYCLOALIPHATIC HYDROCARBON RADICALS, R'' IS HYDROGEN OR MONOVALENT HYDROCARBON RADICALS, Z IS A TERTIARY AMINE RADICAL, AND X IS A HALOGEN ATOMS AS DISCLOSED. AN EXAMPLE OF A QUATERNARY AMMONIUM SALT IS 1-(CH3-SI(-CL)2-(CH2)3-O-CH2-)PYRIDINIUM X(-) THE QUATERNARY AMMONIUM SALTS ARE USEFUL AS WATER REPELLENTS AND AS INTERMEDIATES IN MAKING SILOXANES WHICH ARE USEFUL AS WATER REPELLENTS ESPECIALLY FOR CELLULOSIC FABRICS.
Inventors
- 👤 Alan L Culpepper
Bibliographic Details
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |