US4338420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enhanced wettability of hope films
Assignee: Mobil Oil AS
•
Filing: 1980-12-31
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Granted: 1982-07-06
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Expires: 2000-12-31
Abstract
Abstract This invention provides a method for enhancing wettability of high density polyethylene film, that comprises subjecting said film to plasma surface treatment using oxygen or argon gas atmosphere.
Inventors
- 👤 Harold A. Arbit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:37
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
25 words
A method for enhancing wettability of high density polyethylene film, that comprises subjecting said film to plasma surface treatment using oxygen or argon gas atmosphere.
Claim 2
Independent Claim
25 words
A method for enhancing wettability of high density polyethylene film, that comprises subjecting said film to plasma surface treatment using oxygen or argon gas atmosphere.
Claim 3
Dependent Claim
11 words
High density polyethylene film treated by the method of claim 1.
References Cited (Backward Citations)
DE143783C
Cited
US3228918A
Cited
US3410816A
Cited
DE2821806A1
Cited
GB2025430A
Cited
JPS5545755A
Cited
US4264750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-07-05 | 1986-01-04 | 1986-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-05 | 1990-01-04 | 1990-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-05 | 1994-01-04 | 1994-07-06 | $7700.00 | Window Closed / Lapsed |