Patent US3740252A successfully refreshed from Google Patents.
US3740252A
Expired / Lapsed
US
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Adhesion of organic materials to organic polymers
Assignee: Xidex Corp
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Filing: 1970-10-23
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Granted: 1973-06-19
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Expires: 1990-10-23
Abstract
Abstract TREATMENT OF ORGANIC POLYMERS SUCH AS ORIENTED POLYETHYLENE TEREPHTHALATE FILM WITH THE VAPOR PHASE OF A HALOSUBSTITUTED FATTY ACID SUCH AS TRICHLOROACETIC ACID TO IMPROVE ADHESION WITH ORGANIC MATERIALS. TYPICAL IS THE IMPROVEMENT OF THE BOND TO ORGANIC POLYMERIC VEHICLES USED IN MAKING PHOTOGRAPHIC FILM.
Inventors
- 👤 S Chaikin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:21
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/91; C; C08; C08J; C08J7/00; C08J7/12; C08J7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |