US3729439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Entropically stabilized water base dispersions
Assignee: EIDP Inc
•
Filing: 1971-04-30
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Granted: 1973-04-24
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Expires: 1991-04-30
Abstract
Abstract GRAFT COPOLYMERS HAVING GRAFT SEGMENTS WHICH CONTAIN HYDROXY TERMINATED ACRYLIC MONOMERS WHICH ENABLE THE COPOLYMER TO FORM WATER BASE DISPERSIONS.
Inventors
- 👤 F Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:14
CPC Classifications
C; C08; C08F; C08F265/00; C08F265/04; C08F265/06; C09; C09D; C09D151/00; C09D151/003
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) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |