Patent US3282897A successfully refreshed from Google Patents.
US3282897A
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Process for preparing a polyamide-ester
Assignee: EIDP Inc
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Filing: 1963-09-25
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Granted: 1966-11-01
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Expires: 1983-09-25
Abstract
No abstract record available.
Inventors
- 👤 Rudolph J Angelo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:36
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/10; C08G73/1003; C08G73/1007; C08G73/1028; C08G73/1032; Y; Y10; Y10S; Y10S525/00; Y10S525/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
18 words
A PROCESS FOR PREPARING SHAPEABLE POLYMERIC COMPOSITIONS WHICH COMPRISES REACTING AT LEAST ONE DIAMINE HAVING THE STRUCTURALL FORMULA
Claim 2
Dependent Claim
18 words
A PROCESS FOR PREPARING SHAPEABLE POLYMERIC COMPOSITIONS WHICH COMPRISES REACTING AT LEAST ONE DIAMINE HAVING THE STRUCTURALL FORMULA
References Cited (Backward Citations)
US3179634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |