Patent USH1164H successfully refreshed from Google Patents.
USH1164H
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating the surface of commercially available polymer films
Assignee: United States Department of the Army
•
Filing: 1991-06-13
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Granted: 1993-04-06
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Expires: 2011-06-13
Abstract
Abstract The surface of commercially available polymer films are treated with a lowemperature gas plasma to improve the subsequent bonding of aluminum to the polymer surface without the need for adhesives.
Inventors
- 👤 William L. Wade, Jr.
- 👤 Robert J. Mammone
- 👤 Michael Binder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:33
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/14
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
62 words
Method of treating the surface of commercially available polymer films wherein the polymer is selected from the group consisting of polyethylene, polypropylene, polyester, polysulfone, polycarbonate, and polyvinylidene fluoride, said method comprising treating the surface of the polymer film with a low temperature gas plasma so as to improve the subsequent bonding of aluminum to the polymer surface without the need for adhesives.
Claim 2
Dependent Claim
62 words
Method of treating the surface of commercially available polymer films wherein the polymer is selected from the group consisting of polyethylene, polypropylene, polyester, polysulfone, polycarbonate, and polyvinylidene fluoride, said method comprising treating the surface of the polymer film with a low temperature gas plasma so as to improve the subsequent bonding of aluminum to the polymer surface without the need for adhesives.
Claim 3
Dependent Claim
25 words
Method according to claim 1 wherein the gas plasma is selected from the group consisting of oxygen, 96% CF 4 /4%O 2 , and helium.
Claim 4
Dependent Claim
11 words
Method according to claim 2 wherein the gas plasma is oxygen.
Claim 5
Dependent Claim
16 words
Method according to claim 2 wherein the gas plasma is 96% CF 4 /4%O 2 .
Claim 6
Dependent Claim
11 words
Method according to claim 2 wherein the gas plasma is helium.
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) | 1996-04-05 | 1996-10-05 | 1997-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-04-05 | 2000-10-05 | 2001-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-04-05 | 2004-10-05 | 2005-04-06 | $7700.00 | Window Closed / Lapsed |