US3247158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filled plastisol compositions
Assignee: Standard Oil Co
•
Filing: 1962-02-07
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Granted: 1966-04-19
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Expires: 1982-02-07
Abstract
No abstract record available.
Inventors
- 👤 Harvey E Alford
- 👤 Veatch Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:42
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/32; C08K; C08K7/00; C08K7/22; C08K7/24; C08K7/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A FLUID DISPERSION HAVING A RELATIVELY LOW VISCOSITY PER UNIT VOLUME OF FILLER COMPRISING AN EMULSION GRADE POLYVINYL CHLORIDE RESI, FROM ABOUT 35 TO ABOUT 100 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT RESIN OF A LIQUID PLASTICIZER THEREFOR AND, AS A FILLER, FROM ABOUT 1.5 TO ABOUT 100 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE RESIN OF HOLLOW, DISCRETE SPHERES OF SYNTHETIC, FUSED, WATER-INSOLUBLE ALKALI METAL SILICATE-BASED GLASS, SAID HOLLOW SPHERES HAVING SOLID WALLS OF THE SAME DENSITY THROUGHOUT, AND CLEAR, SMOOTH SURFACES, DIAMETERS OF FROM 5 TO 5000 MICRONS AND WALL THICKNESSES OF FROM 0.5 TO 10% OF THEIR DIAMETERS, A MASS OF SAID SPHERES HAVING A GAS DENSITY OF 0.1 TO 0.75 GRAMS PER CUBIC CENTIMETER.
Claim 2
Dependent Claim
123 words
A FLUID DISPERSION HAVING A RELATIVELY LOW VISCOSITY PER UNIT VOLUME OF FILLER COMPRISING AN EMULSION GRADE POLYVINYL CHLORIDE RESI, FROM ABOUT 35 TO ABOUT 100 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT RESIN OF A LIQUID PLASTICIZER THEREFOR AND, AS A FILLER, FROM ABOUT 1.5 TO ABOUT 100 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF THE RESIN OF HOLLOW, DISCRETE SPHERES OF SYNTHETIC, FUSED, WATER-INSOLUBLE ALKALI METAL SILICATE-BASED GLASS, SAID HOLLOW SPHERES HAVING SOLID WALLS OF THE SAME DENSITY THROUGHOUT, AND CLEAR, SMOOTH SURFACES, DIAMETERS OF FROM 5 TO 5000 MICRONS AND WALL THICKNESSES OF FROM 0.5 TO 10% OF THEIR DIAMETERS, A MASS OF SAID SPHERES HAVING A GAS DENSITY OF 0.1 TO 0.75 GRAMS PER CUBIC CENTIMETER.
References Cited (Backward Citations)
CA594400A
Cited
US3030215A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |