US2622056A
Expired / Lapsed
US
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Adhesive compositions and method of bonding polyethylene using same
Assignee: Union Carbide Corp
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Filing: 1947-11-01
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Granted: 1952-12-16
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Expires: 1967-11-01
Abstract
No abstract record available.
Inventors
- 👤 Coudres Robert A De
- 👤 Clayton S Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:26
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/02; C08K5/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
POLYETHYLENE ADHESIVE COMPOSITION CONSISTING OF POLYETHYLENE RESIN COMPOUNDED AT A TEMPERATURE BETWEEN 100* C AND 200* C. WITH A HALOGENATED AROMATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF HALOGENATED BENZENES HAVING A HALOGEN CONTENT FROM ABOUT 60 TO 70 PERCENT BY WEIGHT, HALOGENATED DIPHENYLS HAVING A HALOGEN CONTENT OF ABOUT 60 TO 65 PERCENT BY WEIGHT AND HALOGENTED NAPHTHALENES HAVING A HALOGEN CONTENT OF ABOUT 30 TO 65 PERCENT BY WEIGHT.
Claim 2
Dependent Claim
51 words
PROCESS OF BONDING POLYETHYLENE TO A SURFACE WHICH COMPRISES APPLYING A COMPOSITION AS DEFINED IN CLAIM 7 TO THE SURFACE, HEATING THE SURFACE AND THE COMPOSITION TO ABOUT 120* TO 200* C. TO RENDER THE COMPOSITION AT LEAST SEMI-FLUID, PRESSURE-APPLYING POLYETHYLENE TO THE HEATED COMPOSITION, AND THEN COOLING THE BONDED STRUCTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |