Patent US1615741A successfully refreshed from Google Patents.
US3974209A
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Substituted tertiary amines and processes for preparing the same
Assignee: Monsanto Co
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Filing: 1974-12-16
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Granted: 1976-08-10
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Expires: 1994-12-16
Abstract
Abstract Substituted tertiary amines of the general formula OX PARALLEL ¦ R1O-P-C ¦¦ OR2Y ANGLE N-R3(OR4)n(OR5) OX PARALLEL ¦ R1O-P-C ¦¦ OR2Y wherein R1, R2, R3, R4, R5, X and Y are hereinafter defined and n is 1 - 20, and which are found useful as agents for complexing metal ions such as in the field of water treating.
Inventors
- 👤 Robert S. Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:25
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/305; G03C5/3053; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/55; A61Q; A61Q11/00; C; C02; C02F; C02F5/00; C02F5/08; C02F5/10; C02F5/14; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3804; C07F9/3808; C07F9/3817; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/167; C23F11/1676; D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/288; A61K2800/00; A61K2800/40; A61K2800/52; A61K2800/526
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
36 words
A substituted tertiary amine having the general formula ##EQU2## wherein R 2 and R 2 are alike or unlike and are each independently selected from the group consisting of alkali metal ions, hydrogen and ammonium ions.
Claim 2
Dependent Claim
36 words
A substituted tertiary amine having the general formula ##EQU2## wherein R 2 and R 2 are alike or unlike and are each independently selected from the group consisting of alkali metal ions, hydrogen and ammonium ions.
Claim 3
Dependent Claim
15 words
The amine of claim 1 wherein R 1 and R 2 are alkali metal ions.
Claim 4
Dependent Claim
18 words
The amine as set forth in claim 1 wherein R 1 and R 2 are each ammonium ions.
Claim 5
Dependent Claim
8 words
A substituted tertiary amine having the formula ##STR8##
Claim 6
Dependent Claim
8 words
A substituted tertiary amine having the formula ##STR8##
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-10 | 1980-02-09 | 1980-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-10 | 1984-02-09 | 1984-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-10 | 1988-02-09 | 1988-08-10 | $7700.00 | Window Closed / Lapsed |