US2798086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amides and esters of iminodiphosphoric acid and nitrilotriphosphoric acid
Assignee: Eastman Kodak Co
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Filing: 1956-02-14
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Granted: 1957-07-02
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Expires: 1976-02-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry W Coover
- 👤 Richard L Mcconnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:55
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/22; C07F9/24; C07F9/2454; C07F9/2479; C07F9/2495; C07F9/224
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
10 words
THE PROCESS FOR PRODUCING A COMPOUND HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
10 words
THE PROCESS FOR PRODUCING A COMPOUND HAVING THE STRUCTURAL FORMULA:
Claim 3
Dependent Claim
12 words
AS A NEW COMPOSITION OF MATTER, A COMPOUND HAVING THE STRUCTURAL FORMULA:
Claim 4
Dependent Claim
12 words
AS A NEW COMPOSITION OF MATTER, A COMPOUND HAVING THE STRUCTURAL FORMULA:
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) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |