Claims
- 1. A process for chelating gold, silver, or uranium ions comprising contacting said metal ions with a phosphorus chelating compound having the formula ##STR2## where R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are selected from the group consisting of hydrogen, alkali metals, and ammonium, and X is alkyl and Y is hydroxyl.
- 2. A process according to claim 1 wherein X is alkyl of 1 to 19 carbon atoms.
- 3. A process according to claim 2 where X is alkyl of 1 to 5 carbon atoms.
- 4. A process according to claim 3 where X is methyl.
- 5. A process according to claim 4 wherein there are chelated uranium ions.
- 6. A process according to claim 3 wherein there are chelated uranium ions.
- 7. A process according to claim 2 wherein there are chelated uranium ions.
- 8. A process according to claim 1 wherein there are chelated uranium ions.
- 9. A process acccording to claim 8 wherein the uranium is in the form of the uranyl group.
- 10. A process according to claim 7 wherein the uranium is in the form of the uranyl group.
- 11. A process according to claim 6 wherein the uranium is in the form of the uranyl group.
- 12. A process according to claim 5 wherein the uranium is in the form of the uranyl group.
- 13. A process according to claim 4 wherein the uranium is in the form of the uranyl group.
- 14. Uranium methyl hydroxymethane diphosphonate.
- 15. Uranyl methyl hydroxymethane diphosphonate.
- 16. A compound having the formula ##STR3## where at least one of R.sub.1, R.sub.2, R.sub.3, and R.sub.4 is gold, silver, uranium, or uranyl and the balance of R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are hydrogen, alkali metal, or ammonium, X is alkyl and Y is hydroxyl.
- 17. A compound according to claim 16 where X is methyl.
Parent Case Info
The present application is a division of application Ser. No. 149,833, filed June 3, 1971, now U.S. Pat. No. 4,440,646 and a continuation-in-part of application Ser. No. 482,257 filed Aug. 24, 1965 and also is a continuation-in-part of application Ser. No. 818,802 filed Apr. 23, 1969, which is a division of application Ser. No. 485,624, filed Sept. 7, 1965 now U.S. Pat. No. 3,471,406 and is also a division of application Ser. No. 149,833, filed June 3, 1971, now U.S. Pat. No. 4,440,646 and a continuation-in-part of application Ser. No. 813,385 filed Feb. 27, 1969 which is a division of application Ser. No. 505,471 filed Oct. 28, 1965. There is nothing in the present application not found in either application Ser. Nos. 485,624 or 505,471.
US Referenced Citations (4)
Divisions (3)
|
Number |
Date |
Country |
Parent |
149833 |
Jun 1971 |
|
Parent |
485624 |
Sep 1965 |
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Parent |
505471 |
Oct 1965 |
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