US3792128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoropolymer-carboxylated styrene-butadiene functional surface coating compositions
Assignee: Air Products and Chemicals Inc
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Filing: 1971-12-01
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Granted: 1974-02-12
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Expires: 1991-12-01
Abstract
Abstract FUNCTIONAL SURFACE COATING COMPOSITIONS, PREPARED BY BLENDING A MIXTURE OF A FLUORINE CONTAINING POLYMER AND A NON-FLUORINE CONTAINING MATERIAL IN AQUEOUS MEDIUM, IMPART SOLVENT, GREASE AND OIL RESISTANCE TO CELLULOSIC MATERIALS.
Inventors
- 👤 M Uffner
- 👤 D Holland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:43
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/20; D21H19/22; C; C08; C08L; C08L13/00; C08L13/02; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/10; C08L3/00; C08L3/04; C08L3/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |