This is a continuation-in-part of U.S. Ser. No. 292,113, filed Aug. 12, 1981 and Ser. No. 292,114 filed Aug. 12, 1981.
Number | Name | Date | Kind |
---|---|---|---|
2271662 | Rubissow | Feb 1942 | |
2313581 | Reed | Mar 1943 | |
2648393 | Holzmann | Aug 1953 | |
2730189 | Holzmann | Jan 1956 | |
2747679 | Ruthardt | May 1956 | |
2920953 | Rudorfer | Jan 1960 | |
3132099 | Eilhauer | May 1964 | |
3155460 | Mears | Nov 1964 | |
3427185 | Cheatham et al. | Feb 1969 | |
3434826 | Holzmann | Mar 1969 | |
3515541 | Wimmer et al. | Jun 1970 | |
3660024 | Gillespie | May 1972 | |
3873675 | Roters | Mar 1975 | |
3915898 | Acres et al. | Oct 1975 | |
4239833 | Retmaniak | Dec 1980 |
Number | Date | Country |
---|---|---|
1082105 | Sep 1967 | GBX |
2050189 | Jan 1981 | GBX |
Entry |
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H. Holzmann (1); "Platinum Metals Review", vol. 13, [No. 1]:pp. 2-8, Jan. 1969; Platinum Recovery in Ammonia Oxidation Plants; A New Process Using Gold-Palladium Catchment Gauzes; Pub. by Johnson-Matthey & Co. Ltd. |
H. Holzmann (2); Chemie-Ingenieur-Technic, vol. 40, [No. 24], pp. 1229-1237, (1968). |
A. E. Heywood, "The Recovery of Platinum from Ammonia Oxidation Catalysts," Johnson Matthey Metals Limited, pp. 28-32. |
Platinum Metals Review, vol. 13, Jan. 1969, No. 1, Ed. Johnson Matthey & Co., London. |
Roberts D. et al., "Estimation of Platinum Catalyst Requirement for Ammonia Oxidation", Reprinted from Advances in Chemistry Series, No. 133, Chem. Reaction Eng. II, .COPYRGT.1974 by ACS. |
Number | Date | Country | |
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292114 | Aug 1981 |
Number | Date | Country | |
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Parent | 292113 | Aug 1981 |