US3630980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-sensitive hot melt adhesives
Assignee: Flintkote Co
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Filing: 1968-06-25
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Granted: 1971-12-28
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Expires: 1988-06-25
Abstract
Abstract A PRESSURE-SENSITIVE ADHESIVE COMPOSITION HAVING INSTANT ROOM TEMPERATURE TACK, GOOD COLD FLOW RESISTANCE AND GOOD SHEAR STRENGTH WHICH COMPRISES AS A FIRST COMPONENT A RESINOUS COPOLYMER OF ETHYLENE AND VINYL ACETATE, AS A SECOND COMPONENT A RESINOUS RUBBERY BLOCK COPOLYMER OF STYRENE AND BUTADIENE OR ISOPRENE, AND AS A THIRD COMPONENT A MODIFIED OR UNMODIFIED ROSIN, A COUMARONEINDENE RESIN, A POLYTERPENE RESIN, A DIENE-OLEFIN ALIPHATIC HYDROCARBON RESIN OR A POLYSTYRENE RESIN.
Inventors
- 👤 Thomas E Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:28
CPC Classifications
C; C09; C09J; C09J153/00; C09J153/02; C08; C08L; C08L2666/00; C08L2666/02; C08L93/00; C08L93/04; C09J2301/00; C09J2301/30; C09J2301/302
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |