Ureido derivatives of naphthalenephosphonic acids
US5700788A · kind A · utility
40Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1995 |
| Grant date | Dec 23, 1997 |
| Priority date | — |
| Expiry date | Oct 30, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P37/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Subject of the present invention are new ureido derivatives of naphthalenephosphonic acids having the following formula (I) ##STR1## wherein each of m and n, which are the same, is an integer of 1 to 4; each of p and q, which are the same, is an integer of 1 to 3; and each of the R groups, which are the same, is a free or esterified phosphonic acid group; and the pharmaceutically acceptable salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.