Patent US1956368A successfully refreshed from Google Patents.
US3965169A
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Crystalline trisodium carboxymethyloxysuccinate monohydrate
Assignee: Monsanto Co
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Filing: 1974-02-25
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Granted: 1976-06-22
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Expires: 1994-02-25
Abstract
Abstract Trisodium carboxymethyloxysuccinate monohydrate is useful as a metal complexing agent, detergency builder and desiccant.
Inventors
- 👤 N. Earl Stahlheber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:14
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/2075; C11D3/2089; C07; C07C; C07C59/00; C07C59/235; C07C59/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
Crystalline trisodium carboxymethyloxysuccinate monohydrate.
Claim 2
Dependent Claim
4 words
Crystalline trisodium carboxymethyloxysuccinate monohydrate.
References Cited (Backward Citations)
US3692685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-06-22 | 1979-12-22 | 1980-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-22 | 1983-12-22 | 1984-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-22 | 1987-12-22 | 1988-06-22 | $7700.00 | Window Closed / Lapsed |