US2991204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrophilic surface
Assignee: Harris Graphics Corp
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Filing: 1957-06-19
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Granted: 1961-07-04
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Expires: 1977-06-19
Abstract
No abstract record available.
Inventors
- 👤 Melvin J Astle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:01
CPC Classifications
C; C09; C09D; C09D143/00; C09D143/04; B; B41; B41N; B41N3/00; B41N3/03; B41N3/036; B41N7/00; B41N7/04; C08; C08F; C08F20/00; C08F20/62; B41N2207/00; B41N2207/02; B41N2207/14; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
A PROCESS OF APPLYING A HYDROPHILIC SURFACE TO A METALLIC SUPPORT MEMBER COMPRISING APPLYING TO THE MEMBER A SOLUTION OF A VINYL TRI-SUBSTITUTED SILANE HAVING THE FORMULA CH2CHSIR3, WHEREIN R IS A MONOVALENT SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF A METHOXY, ETHOXY, PROPOXY, BUTOXY, PENTOXY, PHENOXY, TOLYLOXY, LYLYOXY, CHOLRINE, FLUORINE, IODINE, AND BROMINE, DRYING TO CHEMICALLY BOND THE SILANE TO THE METALLIC SUPPORT MEMBER, APPLYING OVER THE SILANE A SOLUTION OF AN ACRYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID, THE AMMONIUM, SODIUM, AND POTASSIUM SALTS OF SAID ACIDS, ACRYLAMIDE, AND METHYL ACRYLAMIDE, THE SOLVENT FORMING THE ACRYLIC COMPOUND SOLUTION BEING COMPATIBLE WITH SAID SILANE, AND HEATING TO COPOLYMERIZE THE SILANE AND ACRYLIC COMPOUND.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |