US2986544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic composition comprising a mixture of emulsions of polyvinyl acetate and styrene-butadiene copolymer
Assignee: Individual
•
Filing: 1956-10-19
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Granted: 1961-05-30
•
Expires: 1976-10-19
Abstract
No abstract record available.
Inventors
- 👤 Driscoll Eugene Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:57
CPC Classifications
C; C09; C09J; C09J131/00; C09J131/02; C09J131/04; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04; C08L9/00; C08L9/06; C08L9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
PRESSURE DEFORMABLE WET PLASTIC SEALING COMPOSITION COMPRISING FROM ABOUT 150 TO 180 PARTS BY WEIGHT OF AN EMULSION OF POLYVINYL ACETATE IN WATER HAVING A VISCOSITY OF ABOUT 800 TO 1700 CPS. AT AMBIENT TEMPERATURE AND CONTAINING ABOUT FROM 55 TO 57% BY WEIGHT OF SOLIDS HAVING A SUBSTANTIALLY ACID PH IN THE RANGE OF ABOUT 4 TO 6, BLENDED WITH ABOUT FROM 20 TO 50 PARTS BY WEIGHT OF AN EMULSION OF A COPOLYMER OF STYRENE AND BUTADIENE HAVING A VISCOSITY IN THE RANGE OF ABOUT 15 TO 100 CPS. AT AMBIENT TEMPERATURE, ABOUT 35 TO 56% BY WEIGHT OF SOLIDS AND A SUBSTANTIALLY ALKALINE PH, THE EMULSION BLEND FURTHER HAVING ADDED THERETO ABOUT FROM 100 TO 120 PARTS BY WEIGHT OF WATER.
Claim 2
Dependent Claim
124 words
PRESSURE DEFORMABLE WET PLASTIC SEALING COMPOSITION COMPRISING FROM ABOUT 150 TO 180 PARTS BY WEIGHT OF AN EMULSION OF POLYVINYL ACETATE IN WATER HAVING A VISCOSITY OF ABOUT 800 TO 1700 CPS. AT AMBIENT TEMPERATURE AND CONTAINING ABOUT FROM 55 TO 57% BY WEIGHT OF SOLIDS HAVING A SUBSTANTIALLY ACID PH IN THE RANGE OF ABOUT 4 TO 6, BLENDED WITH ABOUT FROM 20 TO 50 PARTS BY WEIGHT OF AN EMULSION OF A COPOLYMER OF STYRENE AND BUTADIENE HAVING A VISCOSITY IN THE RANGE OF ABOUT 15 TO 100 CPS. AT AMBIENT TEMPERATURE, ABOUT 35 TO 56% BY WEIGHT OF SOLIDS AND A SUBSTANTIALLY ALKALINE PH, THE EMULSION BLEND FURTHER HAVING ADDED THERETO ABOUT FROM 100 TO 120 PARTS BY WEIGHT OF WATER.
References Cited (Backward Citations)
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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) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |