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Class Information
Number: 987/34
Name: Organic compounds containing a bi, sb, as, or p atom or containing a metal atom of the 6th to 8th group of the periodic system > Phosphorus compounds (9/02; 9/06) > Compound contains a ring which is devoid of a metal atom and contains at least one p atom as ring member (9/6564; 9/6564v; 9/6568; 9/6568b; 9/6568c; 9/6568d; 9/6568e; 9/6568f) > Ring contains n and p only, or may include in addition to the required n and p, only c, s, or o (9/6581; 9/6584; 9/6584a)
Description: Subject matter wherein a ring contains (a) N and P atoms only or (b) N and P and additional atoms only of C, S, or O.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4889906 |
Amine salts of 1,4,2-oxazaphospholidine-4-acetic acid, 2-alkoxy-2-oxides |
Dec. 26, 1989 |
| 4882452 |
Process for the preparation of ifosfamide having improved properties |
Nov. 21, 1989 |
| 4810426 |
Process for making glyphosate from n-phosphonomethyl-2-oxazolidone |
Mar. 7, 1989 |
| 4757141 |
Amino-derivatized phosphite and phosphate linking agents, phosphoramidite precursors, and useful conjugates thereof |
Jul. 12, 1988 |
| 4694094 |
Cyclic diphosphonites |
Sep. 15, 1987 |
| 4160779 |
Process for the production of methylaminomethylphosphonic acid and its salts |
Jul. 10, 1979 |
| 3931196 |
Phosphinolines and phosphindolines |
Jan. 6, 1976 |
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