US3814741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrylic and methacrylic monomers,polymers and copolymers thereof
Assignee: Montedison SpA
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Filing: 1973-02-22
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Granted: 1974-06-04
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Expires: 1993-02-22
Abstract
Abstract A NEW CLASS OF POLYMER COMPRISING A MAIN CARBON CHAIN AND HAVING POLYFLUOROPOLYETHER SIDE GROUPS. THE POLYMERS POSSESS EXCELLENT SOIL AND WATER RESISTANT PROPERTIES AND ARE USEFUL FOR RENDERING FABRICS SOIL AND MOISTURE RESISTANT. THE POLYMERS ARE PREPARED FROM A NEW CLASS OF POLYMERIZABLE POLYFLUORINATED POLYMER ACRYLATES, METHACRYLATES, ACRYLAMIDES AND METHACRYLAMIDES. A NEW CLASS OF ALCOHOLS, USEFUL FOR PREPARING THE ACRYLATE AND METHACRYLATE MONOMERS IS DISCLOSED AND METHODS FOR PREPARING THE ALCOHOLS, MONOMERS AND POLYMERS ARE DISCLOSED.
Inventors
- 👤 G Caporiccio
- 👤 E Strepparola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:48
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/285; D06M15/295; C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/13; C07C43/137; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/26; C08F20/28; C08F20/52; C08F20/54; C08F20/58; C08F8/00; C08G; C08G65/00; C08G65/002; C08G65/005; C08G65/007; D06M15/263; D06M15/277
Claims Analysis
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References Cited (Backward Citations)
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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) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |