1 | SCHX | Stauffer Chemical Co., Inc. (Eastern Branch) | 7/1930-7/1954; eliminated 7/1956 | | NAKINA |
2 | SCHX | Stauffer Chemical Co. (Eastern Branch) | added 7/1956; 10/1957-1/1980 | | NAKINA |
3 | SCHX | Stauffer Chemical Co. | eliminated 4/1990 | | NAKINA |
4 | SCHX | Rhone-Poulenc Basic Chemicals Co. | added 4/1990; 1/1994; eliminated 10/1999 | | NAKINA |
5 | SCHX | Rhodia, Inc. | added 10/1999; 7/2000; eliminated 4/2004; added 1/2005; 7/2005; eliminated 4/2006 | | NAKINA |
6 | SCHX | Innophos, Inc. | added 4/2006; eliminated 4/2008 | | NAKINA |
7 | SCHX | Stauffer Chemical Co., Inc. (Eastern Branch) | 4/38-1/52; eliminated 7/56 | | NRHS |
8 | SCHX | Stauffer Chemical Co. (Eastern Branch) | added 7/56; 10/57-1/80 | | NRHS |
9 | SCHX | Stauffer Chemical Co. | eliminated 4/90 | | NRHS |
10 | SCHX | Rhone-Poulenc Basic Chemicals Co. | added 4/90; 1/94; eliminated 10/99 | | NRHS |
11 | SCHX | Rhodia, Inc. | added 10/99; 7/2000 | | NRHS |
12 | SCHX | INNOPHOS, INC. [RHODIA, INC. ; (RPBX) RHONE-POULENC BASIC CHEMICALS COMPANY; STAUFFER CHEMICAL CO.] | | | PWRC |
13 | SCHX | Stauffer Chemical | | | RSRV |