US2656297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding a body of polyethylene to a surface and adhesives used therefor
Assignee: BB Chemical Co
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Filing: 1949-04-02
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Granted: 1953-10-20
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Expires: 1969-04-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Howard G Davis
- 👤 William L Durette
- 👤 Eric C Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:53
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L23/18; C08L23/20; C08L23/22; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/06; C09J123/18; C09J123/20; C09J123/22; C08L2205/00; C08L2205/02; C08L2205/03; C08L2205/035; C08L2666/00; C08L2666/02; C08L2666/04; C08L57/00; C08L57/02; C08L61/00; C08L61/04; C08L61/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31696
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
100 words
A POLYETHYLENE-CONTAINING COMPOSITION READILY DISPERSIBLE IN ORANGIC SOLVENTS TO FORM STABLE NON-GELLING LIQUIDS, SAID COMPOSITION CONSISTING ESSENTIALLY OF THE PRODUCT OBTAINED BY MILLING TOGETHER POLYETHYLENE HAVING A MOLECULAR WEIGHT OF FROM 10,000 TO 20,000 AND SYNTHETIC RUBBER COPOLYMER OF ISOBUTYLENE AND A SMALL PROPORTION OF A DIENE AT A TEMPERATURE ABOVE THE MELTING POINT OF THE POLYETHYLENE, SHEETING OUT THE MILLED COMPOSITION, COOLING THE SHEETED MIXTURE AND REMILLING THE COMPOSITION AT A TEMPERATURE BELOW THE MELTING POINT OF THE POLYETHYLENE, THE POLYETHYLENE AND SAID SYNTHETIC RUBBER COPOLYMER BEING IN THE RATIO OF FROM 1 TO 4 TO 4 TO 1.
Claim 2
Dependent Claim
100 words
A POLYETHYLENE-CONTAINING COMPOSITION READILY DISPERSIBLE IN ORANGIC SOLVENTS TO FORM STABLE NON-GELLING LIQUIDS, SAID COMPOSITION CONSISTING ESSENTIALLY OF THE PRODUCT OBTAINED BY MILLING TOGETHER POLYETHYLENE HAVING A MOLECULAR WEIGHT OF FROM 10,000 TO 20,000 AND SYNTHETIC RUBBER COPOLYMER OF ISOBUTYLENE AND A SMALL PROPORTION OF A DIENE AT A TEMPERATURE ABOVE THE MELTING POINT OF THE POLYETHYLENE, SHEETING OUT THE MILLED COMPOSITION, COOLING THE SHEETED MIXTURE AND REMILLING THE COMPOSITION AT A TEMPERATURE BELOW THE MELTING POINT OF THE POLYETHYLENE, THE POLYETHYLENE AND SAID SYNTHETIC RUBBER COPOLYMER BEING IN THE RATIO OF FROM 1 TO 4 TO 4 TO 1.
Claim 3
Independent Claim
142 words
THE METHOD OF BONDING A BODY OF POLYETHYLENE TO A SURFACE WHICH COMPRISES COATING SAID SURFACE WITH A VOLATILE AROMATIC HYDROCARBON SOLVENT SOLUTION CONTAINING THE PRODUCT OBTAINED BY MILLING TOGETHER POLYETHYLENE HAVING A MOLECULAR WEIGHT OF FROM 10,000 TO 20,000 AND SYNTHETIC RUBBER COPOLYMER OF ISOBUTYLENE AND A SMALL PROPORTION OF A DIENE AT A TEMPERATURE ABOVE THE MELTING POINT OF THE POLYETHYLENE, SHEETING OUT THE MILLED MIXTURE, COOLING THE SHEETED MIXTURE TO ROOM TEMPERATURE AND REMILLING THE SHEETED MIXTURE TO A TEMPERATURE BELOW THE MELTING POINT OF THE POLYETHYLENE, A POLYMER OF ISOBUTYLENE HAVING A MOLECULAR WEIGHT OF FROM 3,000 TO 15,000, AN OILSOLBLE THERMOPLASTIC RESIN AND AN ANTI-OXIDANT, THE POLYETHYLENE AND THE SAID SYNTHETIC RUBBER COPOLYMER BEING IN RATIO OF FROM 1 TO 4 TO 4 TO 1, DRYING THE FILM AND PRESSING THE POLYETHYLENE BODY AGAINST THE DRIED FILM.
Claim 4
Independent Claim
142 words
THE METHOD OF BONDING A BODY OF POLYETHYLENE TO A SURFACE WHICH COMPRISES COATING SAID SURFACE WITH A VOLATILE AROMATIC HYDROCARBON SOLVENT SOLUTION CONTAINING THE PRODUCT OBTAINED BY MILLING TOGETHER POLYETHYLENE HAVING A MOLECULAR WEIGHT OF FROM 10,000 TO 20,000 AND SYNTHETIC RUBBER COPOLYMER OF ISOBUTYLENE AND A SMALL PROPORTION OF A DIENE AT A TEMPERATURE ABOVE THE MELTING POINT OF THE POLYETHYLENE, SHEETING OUT THE MILLED MIXTURE, COOLING THE SHEETED MIXTURE TO ROOM TEMPERATURE AND REMILLING THE SHEETED MIXTURE TO A TEMPERATURE BELOW THE MELTING POINT OF THE POLYETHYLENE, A POLYMER OF ISOBUTYLENE HAVING A MOLECULAR WEIGHT OF FROM 3,000 TO 15,000, AN OILSOLBLE THERMOPLASTIC RESIN AND AN ANTI-OXIDANT, THE POLYETHYLENE AND THE SAID SYNTHETIC RUBBER COPOLYMER BEING IN RATIO OF FROM 1 TO 4 TO 4 TO 1, DRYING THE FILM AND PRESSING THE POLYETHYLENE BODY AGAINST THE DRIED FILM.
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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) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |