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US3317339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface modification of plastic articles
Assignee: Monsanto Co
•
Filing: 1963-12-23
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Granted: 1967-05-02
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Fortner Cecil Paul
- 👤 Pinsky Jules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:26
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; H; H05; H05F; H05F1/00; H05F1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
PROCESS FOR TREATING A RELATIVELY NON-POLAR SYNTHETIC VINYL PLASTIC TO IMPROVE ITS SURFACE PROPERTIES WHICH COMPRISES OXIDIZING THE SURFACE PROPERTIES WHICH ING SAID SURFACE WITH A NITROGEN COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIA, HYDRAZINE, AMINES HAVING THE FORMULA
Claim 2
Dependent Claim
40 words
PROCESS FOR TREATING A RELATIVELY NON-POLAR SYNTHETIC VINYL PLASTIC TO IMPROVE ITS SURFACE PROPERTIES WHICH COMPRISES OXIDIZING THE SURFACE PROPERTIES WHICH ING SAID SURFACE WITH A NITROGEN COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIA, HYDRAZINE, AMINES HAVING THE FORMULA
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |