1. Bayer Aktiengesellschaft (7 from 12,157 patents)

2. Bp Chemicals Limited (2 from 694 patents)

3. Other (1 from 832,680 patents)

4. Basf Aktiengesellschaft (1 from 10,754 patents)

5. Hoechst Aktiengesellschaft (1 from 6,662 patents)

6. Degussa Aktiengesellschaft (1 from 1,678 patents)

7. Mitsui Petrochemical Industries, Ltd. (1 from 1,008 patents)

8. The British Petroleum Company, P.l.c. (1 from 558 patents)

9. Degussa - Huls Ag (1 from 145 patents)

10. Oxeno Olefinchemie Gmbh (1 from 79 patents)

1. 7304200 - Method for separation of substances by extraction or by washing them with ionic liquids

2. 6900313 - Chiral ionic liquids

3. 6559326 - Substituted phosphinophenoxide-metal complexes for the polymerization of olefins

4. 6310259 - Method for producing 6,10 and 6,9-dimethyl-5,10-undecadienyl-2-ones

5. 6180831 - Method of producing &bgr;-hydroxyaldehydes

6. 6160168 - Triphenylphosphine mono and dimethoxy tri-sodium sulphonates

7. 6153780 - Process for the preparation of octa-2,7-dienyl-1-amine from butadiene

8. 6147238 - Process for the preparation of octa-2,7-dienyl-1-amine from butadiene

9. 6084113 - Complexes containing tris-(hydroxyalkyl)-phosphines as ligands for

10. 6051738 - Process for the preparation of octa-2,7-dienyl-1-amine from butadiene

11. 5834611 - Complexes containing tris-(hydroxyalkyl)-phosphines as ligands for

12. 5808121 - Catalyst compositions and process of making polyketones therewith

13. 5756846 - Process for the preparation of primary octadienylamines

14. 5525566 - Palladium phosphine ligand catalyst

15. 5510518 - Process for the hydrosulfination of olefins