Patent US2816086A successfully refreshed from Google Patents.
US2816086A
Expired / Lapsed
US
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Butadiene-furfural reaction products combined with vinyl polymers
Assignee: Harvel Research Corp
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Filing: 1953-06-10
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Granted: 1957-12-10
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Expires: 1973-06-10
Abstract
No abstract record available.
Inventors
- 👤 Mortimer T Harvey
- 👤 Peter L Rosamilia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:43
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L57/00; C08L45/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A NOVEL COMPOSITION OF MATTER COMPRISING AN INTIMATE COMBINATION OF (1) A NORMALLY SOLID MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE, POLYVINYL ACETATE, COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE, POLYVINYL FORMAL AND POLYVINYL BUTYRAL, AND (II) REACTION PRODUCT OF FURFURAL AND BUTADIENE HAVING AVERAGE MOLECULAR WEIGHT OF AT LEAST 330, VISCOSITY OF AT LEAST 2000 CENTIPOISES AT 25*C., SOFTENING POINT (BALL AND RING) OF AT LEAST 60*F., AND BEING LIQUID AT 250*F., THE RATIO BY WEIGHT OF (I) TO (II) BEING 100 PARTS OF (I) TO 5-2000 PARTS OF (II).
Claim 2
Dependent Claim
93 words
A NOVEL COMPOSITION OF MATTER COMPRISING AN INTIMATE COMBINATION OF (1) A NORMALLY SOLID MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYVINYL CHLORIDE, POLYVINYL ACETATE, COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE, POLYVINYL FORMAL AND POLYVINYL BUTYRAL, AND (II) REACTION PRODUCT OF FURFURAL AND BUTADIENE HAVING AVERAGE MOLECULAR WEIGHT OF AT LEAST 330, VISCOSITY OF AT LEAST 2000 CENTIPOISES AT 25*C., SOFTENING POINT (BALL AND RING) OF AT LEAST 60*F., AND BEING LIQUID AT 250*F., THE RATIO BY WEIGHT OF (I) TO (II) BEING 100 PARTS OF (I) TO 5-2000 PARTS OF (II).
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) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |