US2852386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrophilic compositions
Assignee: Eastman Kodak Co
•
Filing: 1952-09-24
•
Granted: 1958-09-16
•
Expires: 1972-09-24
Abstract
No abstract record available.
Inventors
- 👤 Lee K J Tong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:30
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A COMPOSITION USEFUL FOR THE PREPARATION OF FLEXIBLE COATINGS WHICH COMPRISES A MIXTURE OF AN AQUEOUS DISPERSION OF A PROTEINACEOUS HYDROMERIZATION OF A MIXTURE OF OBTAINED BY THE EMULSION POLYMERIZATION OF A MIXTURE OF AN AMIDE OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND METHACRYLIC ACID, AN ALKYL ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND METHACRYLIC ACID AND STYRENE.
Claim 2
Dependent Claim
69 words
A COMPOSITION USEFUL FOR THE PREPARATION OF FLEXIBLE COATINGS WHICH COMPRISES A MIXTURE OF AN AQUEOUS DISPERSION OF A PROTEINACEOUS HYDROMERIZATION OF A MIXTURE OF OBTAINED BY THE EMULSION POLYMERIZATION OF A MIXTURE OF AN AMIDE OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND METHACRYLIC ACID, AN ALKYL ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND METHACRYLIC ACID AND STYRENE.
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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) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |