Patent US3738955A successfully refreshed from Google Patents.
US3738955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impermeable building material
Assignee: Qo Chemicals Inc
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Filing: 1971-02-03
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Granted: 1973-06-12
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Expires: 1991-02-03
Abstract
Abstract A PROCESS FOR PRODUCING AN IMPERMEABLE BOUND AGGREGATE BUILDING MATERIAL COMPOSITION COMPRISING: (A) FORMING A MONOMERIC BINDER MIXTURE OF SPECIFIED AMOUNTS OF MONOMERIC FURFURYL ALCOHOL AND A SILANE COUPLING AGENT OF THE GENERAL FORMULA: X-R''-SI-(OR")3 WHEREIN R'' IS A SHORT CHAIN ALKYLENE RADICAL, R" IS ARYL, ALKYL, SUBSTITUTED ARYL, OR FURFURYL, AND X IS AMINOM MERCAPTO, EPOXY, OR GLYCIDOXY, (B) FORMING A MIXTURE OF SPECIFIED AMOUNTS OF AGGREGATE AND ACIDIC CATALYST, (C) ADMIXING SPECIFIED AMOUNTS OF THE MONOMERIC BINDER WITH SPECIFIED AMOUNTS OF THE AGGREGATE-ACIDIC CATALYST MIXTURE, AND (D) ADMIXING SPECIFIED AMOUNTS OF CLAY WITH THE BOUND AGGREGATE.
Inventors
- 👤 D Eftax
- 👤 K Bozer
- 👤 L Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:23
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/08; C08L71/14; C04; C04B; C04B26/00; C04B26/02; C04B26/10; C04B26/105; C08G; C08G16/00; C08G16/02; C08G16/025; C08G16/0256; C08G16/0262; C08G65/00; C08G65/34; C08G65/36; Y; Y10; Y10S; Y10S524/00; Y10S524/906
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |