US4055591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphonomethyl compounds
Assignee: Occidental Chemical Corp
•
Filing: 1976-01-02
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Granted: 1977-10-25
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Expires: 1996-01-02
Abstract
Abstract Compounds of the formula: <IMAGE> wherein R' is selected from the group consisting of -OH, alkyloxy and aryloxy; and R is selected from the group consisting of <IMAGE> wherein Z is -OH, alkyl, aryl, alkoxy and aryloxy, provided when R' is -OH, <IMAGE> are disclosed, having utility as metal ion sequestrants and flame retardant additives.
Inventors
- 👤 Daniel J. Scharf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:01
CPC Classifications
G; G01; G01N; G01N31/00; C; C01; C01B; C01B15/00; C01B15/01; C01B15/037; C01B15/04; C02; C02F; C02F5/00; C02F5/08; C02F5/10; C02F5/14; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/3804; C07F9/3808; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C08K5/5353; C11; C11D; C11D3/00; C11D3/16; C11D3/36; C11D3/364; C22; C22B; C22B3/00; C22B3/20; C22B3/26; C22B3/38; C22B3/385; C22B3/386; C22B3/387; C25; C25D; C25D3/00; C25D3/02; C25D3/48; D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/288; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
29 words
A compound of the formula ##STR27##wherein R is selected from the group consisting of ##STR28##wherein Z is selected from the group consisting of OH, alkyl, aryl, alkoxy, and aryloxy.
Claim 2
Dependent Claim
29 words
A compound of the formula ##STR27##wherein R is selected from the group consisting of ##STR28##wherein Z is selected from the group consisting of OH, alkyl, aryl, alkoxy, and aryloxy.
Claim 3
Dependent Claim
11 words
The compound of claim 1 wherein R is ZSO 2 -.
Claim 4
Dependent Claim
9 words
The compound of claim 1 of the formula ##STR29##
Claim 5
Dependent Claim
8 words
The compound of claim 1 of the formula
References Cited (Backward Citations)
US2304156A
Cited
CH339925A
Cited
US3288846A
Cited
US3234124A
Cited
US3549728A
Cited
US3954860A
Cited
US3939226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-10-24 | 1981-04-25 | 1981-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-24 | 1985-04-25 | 1985-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-24 | 1989-04-25 | 1989-10-25 | $7700.00 | Window Closed / Lapsed |