E. I. DU PONT DE NEMOURS AND COMPANY |
156 |
176 |
190 |
170 |
160 |
852 |
~Individually Owned Patent |
23 |
32 |
33 |
32 |
34 |
154 |
HERCULES INCORPORATED |
23 |
12 |
8 |
16 |
19 |
78 |
DUPONT PHARMACEUTICALS COMPANY |
0 |
1 |
17 |
22 |
21 |
61 |
W. L. GORE & ASSSOCIATES, INC. |
18 |
25 |
11 |
3 |
1 |
58 |
ZENECA LIMITED |
10 |
7 |
10 |
7 |
2 |
36 |
CIBA SPECIALTY CHEMICALS CORPORATION |
0 |
10 |
8 |
10 |
6 |
34 |
LANXIDE TECHNOLOGY COMPANY, LP |
15 |
9 |
3 |
2 |
2 |
31 |
MONTELL NORTH AMERICA INC. |
6 |
5 |
6 |
11 |
3 |
31 |
DU PONT MERCK PHARMACEUTICAL COMPANY |
14 |
13 |
2 |
0 |
0 |
29 |
DADE BEHRING INC. |
0 |
6 |
7 |
6 |
5 |
24 |
HEWLETT-PACKARD COMPANY |
3 |
5 |
9 |
6 |
0 |
23 |
RODEL HOLDINGS INC. |
0 |
0 |
0 |
9 |
9 |
18 |
UNIVERSITY OF DELAWARE |
3 |
4 |
1 |
3 |
3 |
14 |
ELSICON, INC. |
0 |
1 |
4 |
5 |
3 |
13 |
ARCO CHEMICAL TECHNOLOGY, L.P. |
5 |
2 |
2 |
0 |
2 |
11 |
DENCO, INC. |
2 |
1 |
4 |
3 |
1 |
11 |
GORE ENTERPRISE HOLDINGS, INC. |
0 |
0 |
3 |
2 |
6 |
11 |
MACDERMID IMAGING TECHNOLOGY, INC. |
3 |
5 |
3 |
0 |
0 |
11 |
DENTSPLY RESEARCH + DEVELOPMENT CORP. |
1 |
1 |
5 |
1 |
2 |
10 |
SOUTHCO INC. |
1 |
2 |
3 |
1 |
2 |
9 |
AGILENT TECHNOLOGIES, INC. |
0 |
0 |
0 |
4 |
4 |
8 |
DUPONT DOW ELASTOMERS, L.L.C. |
0 |
0 |
0 |
2 |
5 |
7 |
RODEL INC. |
2 |
4 |
1 |
0 |
0 |
7 |
ALLIANT TECHSYSTEMS INC. |
0 |
4 |
2 |
0 |
0 |
6 |
ASTROPOWER, INC. |
1 |
1 |
0 |
2 |
2 |
6 |
EDGECRAFT CORP. |
1 |
0 |
1 |
2 |
2 |
6 |
PLAYTEX PRODUCTS, INC. |
1 |
1 |
1 |
2 |
1 |
6 |
SPEAKMAN COMPANY |
0 |
1 |
3 |
2 |
0 |
6 |
THE NEMOURS FOUNDATION |
3 |
2 |
1 |
0 |
0 |
6 |
COMPACT MEMBRANE SYSTEMS, INC |
0 |
0 |
4 |
1 |
0 |
5 |
CORDANT TECHNOLOGIES INC. |
0 |
2 |
0 |
1 |
2 |
5 |
CSB ENTERPRISES, INC. |
0 |
2 |
2 |
1 |
0 |
5 |
DADE INTERNATIONAL INC. |
1 |
4 |
0 |
0 |
0 |
5 |
FOAMEX LP |
1 |
1 |
0 |
2 |
1 |
5 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
0 |
2 |
1 |
2 |
0 |
5 |
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE |
0 |
2 |
2 |
0 |
1 |
5 |
MACDERMID, INC. |
0 |
0 |
3 |
0 |
2 |
5 |
METAL MASTERS FOOD SERVICE EQUIPMENT CO., INC. |
1 |
1 |
2 |
0 |
1 |
5 |
MONTELL TECHNOLOGY COMPANY BV |
0 |
0 |
0 |
1 |
4 |
5 |
R.P.C. INC. |
0 |
0 |
0 |
1 |
4 |
5 |
STERLING DIAGNOSTIC IMAGING, INC. |
3 |
2 |
0 |
0 |
0 |
5 |
WESTVACO CORPORATION |
1 |
0 |
3 |
1 |
0 |
5 |