US3220966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot melt adhesive compositions based on an ethylene:propylene copolymer
Assignee: Ingredion Inc
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Filing: 1963-02-28
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Granted: 1965-11-30
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Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Flanagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:23
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C08; C08L; C08L2666/00; C08L2666/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A HOT MELT ADHESIVE COMPOSITION COMPRISING A HOMOGENEOUS MIXTURE OF A POLYOLEFIN SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND ISOTACTIC POLYPROPYLENE, A RESIN TACKIFIER AND AN ETHYLENE: PROPYLENE COPOLYMER, WHEREIN SAID RESIN TACKIFIER IS SELECTED FROM THE GROUP CONSISTING OF ATATIC POLYPROPYLENE, NATURAL ROSINS, HYDROGENATED ROSINS, ROSIN ESTERS, AND CHLORINATED BIPHENYL RESINS CONTAINING FROM 32 TO 65% CHLORINE.
Claim 2
Dependent Claim
59 words
A HOT MELT ADHESIVE COMPOSITION COMPRISING A HOMOGENEOUS MIXTURE OF A POLYOLEFIN SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE AND ISOTACTIC POLYPROPYLENE, A RESIN TACKIFIER AND AN ETHYLENE: PROPYLENE COPOLYMER, WHEREIN SAID RESIN TACKIFIER IS SELECTED FROM THE GROUP CONSISTING OF ATATIC POLYPROPYLENE, NATURAL ROSINS, HYDROGENATED ROSINS, ROSIN ESTERS, AND CHLORINATED BIPHENYL RESINS CONTAINING FROM 32 TO 65% CHLORINE.
References Cited (Backward Citations)
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US3036987A
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |