| Number | Name | Date | Kind |
|---|---|---|---|
| 2460641 | Kleiner | Feb 1949 | |
| 2834346 | Adams | May 1958 | |
| 2876775 | Barr, Sr. et al. | Mar 1959 | |
| 2880723 | Adams | Apr 1959 | |
| 2953132 | Richter et al. | Sep 1960 | |
| 3066671 | Cohen | Dec 1962 | |
| 3074541 | Roehr | Jan 1963 | |
| 3141460 | Tsochatzopoulos | Jul 1964 | |
| 3366103 | Keller | Jan 1968 | |
| 3369708 | Hein | Feb 1968 | |
| 3395696 | Brown et al. | Aug 1968 | |
| 3494351 | Horn | Feb 1970 | |
| 3495591 | Wilson | Feb 1970 | |
| 3499327 | Lane, Jr. | Mar 1970 | |
| 3513829 | Deuschle | May 1970 | |
| 3545427 | Ryan | Dec 1970 | |
| 3608550 | Stawski | Sep 1971 | |
| 3805991 | Cheladze | Apr 1974 | |
| 3859671 | Iomasello | Jan 1975 | |
| 3894845 | McDonald | Jul 1975 | |
| 3904482 | Mehl | Sep 1975 | |
| 3947251 | Quame | Mar 1976 | |
| 3958572 | Lawhead | May 1976 | |
| 4024857 | Blecher | May 1977 | |
| 4063460 | Svensson | Dec 1977 | |
| 4064760 | Benjamin | Dec 1977 | |
| 4116066 | Mehl | Sep 1978 | |
| 4227413 | Blum | Oct 1980 | |
| 4300404 | Mehl | Nov 1981 | |
| 4300404 | Mehl et al. | Nov 1981 | |
| 4577274 | Cawood | Dec 1985 | |
| 4610171 | Nason | Sep 1986 |
| Number | Date | Country |
|---|---|---|
| 1019500 | Feb 1966 | DEX |
| 947908 | Jan 1964 | GBX |
| Entry |
|---|
| "A Urine Preservative System to Maintain Bacterial Counts", Goodman, et al.; Clinical Pediatrics, Jul. 1985, pp. 383-386. |