US2898229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating fluorinated polymer surfaces and resultant product
Assignee: 3M Co
•
Filing: 1958-03-31
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Granted: 1959-08-04
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Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Herr Robert
- 👤 Warren R Beck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:04
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/02; C; C08; C08J; C08J7/00; C08J7/04; C08J7/043; B; B24; B24D; B24D3/00; B24D3/02; B24D3/20; B24D3/28; C08J7/06; C08J2327/00; C08J2327/02; C08J2327/12; C08J2327/18; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
PROCESS FOR ACTIVATING AN INTIALLY SLIPPERY FLUOROCARBON POLYMER SURFACE TO RENDER THE SAME WETTABLE BY INKS, RESINS AND ADHESIVES, COMPRISING HEATING SAID SURFACE WITHOUT SIGNIFICANT DETERIORATION OF SAID POLYMER TO AT LEAST ABOUT 150*C., AND CONTACTING THE HEATED SURFACE WITH THE VAPOR OF A VOLATILE AND READILY HYDROLYZABLE COMPOUND OF AN ELEMENT OF THE CLASS CONSISTING OF SILICON, TITSNIUM SND GERMANIUM, IN THE PRESENCE OF MOISTURE.
Claim 2
Dependent Claim
66 words
PROCESS FOR ACTIVATING AN INTIALLY SLIPPERY FLUOROCARBON POLYMER SURFACE TO RENDER THE SAME WETTABLE BY INKS, RESINS AND ADHESIVES, COMPRISING HEATING SAID SURFACE WITHOUT SIGNIFICANT DETERIORATION OF SAID POLYMER TO AT LEAST ABOUT 150*C., AND CONTACTING THE HEATED SURFACE WITH THE VAPOR OF A VOLATILE AND READILY HYDROLYZABLE COMPOUND OF AN ELEMENT OF THE CLASS CONSISTING OF SILICON, TITSNIUM SND GERMANIUM, IN THE PRESENCE OF MOISTURE.
References Cited (Backward Citations)
US2689805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |