US3062701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of asbestos slurries
Assignee: Raybestos Manhattan Inc
•
Filing: 1959-03-11
•
Granted: 1962-11-06
•
Expires: 1979-03-11
Abstract
No abstract record available.
Inventors
- 👤 Izador J Novak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:37
CPC Classifications
D; D21; D21H; D21H13/00; D21H13/36; D21H13/38; D21H13/42; D21H5/00; D21H5/12; D21H5/18; D21H5/183
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
THE METHOD OF FORMING A SLURRY OF UNIT ASBESTOS FIBER WATER DILUTABLE TO A SMOOTH PAPER MAKING SLURRY WITHOUT THE CLOTS OF FIBERS CHARACTERISTIC OF A WATER-DILUTION BROKEN COLLOIDAL DISPERSION OF ASBESTOS FIBERS, WHICH COMPRISES MIXING CHRYSOTILE ASBESTOS FIBER AGGLOMERATED WITH AN AQUEOUS SOLUTION OF CHRYSOTILE ASBESTOS COLLOIDIZING AGENT IN AN AMOUNT JUST SUFFICIENT TO OPEN SAID AGGLOMERATES AND TO FORM AN EVANESCENT COLLOIDAL DISPERSION OF UNIT ASBESTOS FIBERS, AND CONTINUING THE MIXING UNTIL SAID COLLOIDAL DISPERSION REVERTS IN SITU TO A MINIMAL CLOTTED UNIT FIBER, CONDITION AND ADDING IT TO A CELLULOSE FIBER PAPERMAKING SLURRY TOGETHER WITH PAPER-MAKING PIGMENT AND FILLER PARTICLES.
Claim 2
Independent Claim
103 words
THE METHOD OF FORMING A SLURRY OF UNIT ASBESTOS FIBER WATER DILUTABLE TO A SMOOTH PAPER MAKING SLURRY WITHOUT THE CLOTS OF FIBERS CHARACTERISTIC OF A WATER-DILUTION BROKEN COLLOIDAL DISPERSION OF ASBESTOS FIBERS, WHICH COMPRISES MIXING CHRYSOTILE ASBESTOS FIBER AGGLOMERATED WITH AN AQUEOUS SOLUTION OF CHRYSOTILE ASBESTOS COLLOIDIZING AGENT IN AN AMOUNT JUST SUFFICIENT TO OPEN SAID AGGLOMERATES AND TO FORM AN EVANESCENT COLLOIDAL DISPERSION OF UNIT ASBESTOS FIBERS, AND CONTINUING THE MIXING UNTIL SAID COLLOIDAL DISPERSION REVERTS IN SITU TO A MINIMAL CLOTTED UNIT FIBER, CONDITION AND ADDING IT TO A CELLULOSE FIBER PAPERMAKING SLURRY TOGETHER WITH PAPER-MAKING PIGMENT AND FILLER PARTICLES.
References Cited (Backward Citations)
US2675745A
Cited
US1907617A
Cited
US2068219A
Cited
US2407581A
Cited
US2626213A
Cited
US2769713A
Cited
US2930106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |