US2597378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoadhesive composition and composite closure liner formed therewith
Assignee: Continental Can Co Inc
•
Filing: 1946-05-08
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Granted: 1952-05-20
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Expires: 1966-05-08
Abstract
No abstract record available.
Inventors
- 👤 Louis F Rogers
- 👤 Michael S Ebert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:50
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/18; C09J123/20; C09J123/22; C08; C08L; C08L91/00; C08L91/06; Y; Y10; Y10T; Y10T428/00; Y10T428/21; Y10T428/215; Y10T428/26; Y10T428/263; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31696; Y10T428/31714; Y10T428/31801
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A COMPOSITION CAPABLE OF EXHIBITING TACKINESS UPON EACH HEATING DURING REPEATED CYCLES OF HEATING ABOVE AND COOLING BELOW ROOM TEMPERATURE, AND HAVING THE PROPERTY OF STRONG ADHESION TO METAL AND CELLULOSIC SURFACES AFTER COOLING IN CONTACT THEREWITH, CONSISTING OF 40 TO 50 PARTS BY WEIGHT OF PARAFFIN WAX HAVING A MELTING POINT BETWEEN 80 AND 150 DEGREES F., AND 60 TO 50 PARTS BY WEIGHT OF A BUTYL RUBBER PRODUCED BY LOW-REMPERATURE CATALYTIC POLYMERIZING COMBINATION OF ISOBUTYLENE WITH A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF BUTADIENE AND ISOPRENE, SAID BUTYL RUBBER HAVING A MOONEY VISCOSITY OF 30 TO 70, THE SAID INGREDIENTS BEING INTIMATELY AN UNIFORMLY MIXED.
Claim 2
Dependent Claim
108 words
A COMPOSITION CAPABLE OF EXHIBITING TACKINESS UPON EACH HEATING DURING REPEATED CYCLES OF HEATING ABOVE AND COOLING BELOW ROOM TEMPERATURE, AND HAVING THE PROPERTY OF STRONG ADHESION TO METAL AND CELLULOSIC SURFACES AFTER COOLING IN CONTACT THEREWITH, CONSISTING OF 40 TO 50 PARTS BY WEIGHT OF PARAFFIN WAX HAVING A MELTING POINT BETWEEN 80 AND 150 DEGREES F., AND 60 TO 50 PARTS BY WEIGHT OF A BUTYL RUBBER PRODUCED BY LOW-REMPERATURE CATALYTIC POLYMERIZING COMBINATION OF ISOBUTYLENE WITH A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF BUTADIENE AND ISOPRENE, SAID BUTYL RUBBER HAVING A MOONEY VISCOSITY OF 30 TO 70, THE SAID INGREDIENTS BEING INTIMATELY AN UNIFORMLY MIXED.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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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) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |