US3409499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chrysotile asbestos fiber dispersion including monocarboxylic acid
Assignee: KCAC Inc
•
Filing: 1965-05-14
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Granted: 1968-11-05
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Expires: 1985-05-14
Abstract
No abstract record available.
Inventors
- 👤 William H Dresher
- 👤 Alfred W Naumann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:13
CPC Classifications
C; C04; C04B; C04B20/00; C04B20/02; C04B20/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
AN AQUEOUS DISPERSION HAVING A PH OF FROM 3.8 TO 6.3 COMPRISING FROM ABOUT 0.5 TO 5.0 WEIGHT PERCENT FINELY DIVIDED CHRYSOTILE ASBESTOS FIBERS, AND AS THE SOLE DISPERSING AND STABILIZING AGENT, A WATER-SOLUBLE, MONOCARBOXYLIC ACID CONTAINING UP TO 6 CARBON ATOMS.
Claim 2
Dependent Claim
42 words
AN AQUEOUS DISPERSION HAVING A PH OF FROM 3.8 TO 6.3 COMPRISING FROM ABOUT 0.5 TO 5.0 WEIGHT PERCENT FINELY DIVIDED CHRYSOTILE ASBESTOS FIBERS, AND AS THE SOLE DISPERSING AND STABILIZING AGENT, A WATER-SOLUBLE, MONOCARBOXYLIC ACID CONTAINING UP TO 6 CARBON ATOMS.
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) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |