US3017388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous polymers from reaction of bis(acetoacetates) and bis(acetoacetamides) with diamines
Assignee: Eastman Kodak Co
•
Filing: 1958-04-17
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Granted: 1962-01-16
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Expires: 1978-04-17
Abstract
No abstract record available.
Inventors
- 👤 John R Caldwell
- 👤 James C Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:38
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
A PROCESS FOR PREPARING A RESINOUS FILM-FORMING POLYMER WHICH COMPRISES HEATING AT ABOUT FROM 121* TO 240*C. AN ACETOACETIC ACID BERIVATIVE SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FOLLOWING GENERAL FORMULAS:
Claim 2
Dependent Claim
33 words
A PROCESS FOR PREPARING A RESINOUS FILM-FORMING POLYMER WHICH COMPRISES HEATING AT ABOUT FROM 121* TO 240*C. AN ACETOACETIC ACID BERIVATIVE SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FOLLOWING GENERAL FORMULAS:
References Cited (Backward Citations)
US2176074A
Cited
US2149678A
Cited
US2195570A
Cited
GB523256A
Cited
US2730517A
Cited
US2759913A
Cited
US2757164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |