Novel guanidine silicates,compositions and uses
Abstract
Abstract THE PRESENT INVENTION RELATES TO COMPOSITIONS OF MATTER CONTAINING AS AN ESSENTIAL INGREDIENT, STABLE, NON-CRYSTALLINE GUANIDINE SILICATES HAVING A MOLAR RATIO OF GUANIDINIUM IONS TO SILICATE IONS OF FROM 1.5 TO 0.65. THESE COMPOSITIONS ARE CHARACTERIZED BY THE FACT THAT THEY ARE AMORPHOUS AND SOLUBLE IN WATER, GIVING AQUEOUS SOLUTIONS WHICH MAY BE HIGHLY CONCENTRATED. THE DRIED OR DISSOLVED MATERIALS ARE USED AS ADHESIVES, BINDERS, AND FILM-FORMING AGENTS. THESE GUANIDINE SILICATES ARE PREPARED BY BRINGING TOGETHER A SOURCE OF GUANIDINIUM IONS AND COLLOIDAL SILICAL UNDER CLOSELY CONTROLLED REACTION CONDITIONS. CLOSE PROCESS CONTROL IS NECESSARY TO PRODUCE THE NOVEL AMORPHOUS COMPOUNDS OF THIS INVENTION.
Inventors
- 👤 Paul C Yates
Bibliographic Details
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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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |