US2910384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyethylene adherent to metal surface and method of making same
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1956-12-14
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Granted: 1959-10-27
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Expires: 1976-12-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:16
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C; C09; C09D; C09D123/00; C09D123/02; C09D123/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A METHOD OF COATING METAL SUBSTRATED WITH POLYETHYLENE TO PROVIDED AN ADHERENT FILM THEREON, THE IMPROVEMENT WHICH CONSISTS IN ENTRODUCING INTO SAID POLYETHYLENE A BLEND OF BENZYL DEXTRAN AND DEXTRAN PALMITATE, THEREAFTER APPLYING THE THUS MODIFIED POLYETHYLENE TO THE SURFACE OF THE METAL SUBSTRATE, AND BAKING THE SAME TO FIG5-01 PRODUCE A TOUGH, ADHERENT COATING OF POLYETHYLENE ON SAIDMETAL SUBSTRATE.
Claim 2
Independent Claim
60 words
A METHOD OF COATING METAL SUBSTRATED WITH POLYETHYLENE TO PROVIDED AN ADHERENT FILM THEREON, THE IMPROVEMENT WHICH CONSISTS IN ENTRODUCING INTO SAID POLYETHYLENE A BLEND OF BENZYL DEXTRAN AND DEXTRAN PALMITATE, THEREAFTER APPLYING THE THUS MODIFIED POLYETHYLENE TO THE SURFACE OF THE METAL SUBSTRATE, AND BAKING THE SAME TO FIG5-01 PRODUCE A TOUGH, ADHERENT COATING OF POLYETHYLENE ON SAIDMETAL SUBSTRATE.
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) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |