1. Chemtura Corporation (19 from 149 patents)

2. Lanxess Solutions US Inc. (7 from 26 patents)

3. Great Lakes Chemical Corporation (3 from 171 patents)

4. Pabu Services, Inc. (3 from 14 patents)

5. Great Lakes Corporation (2 from 4 patents)

6. Other (1 from 832,680 patents)

7. Basf Se Corporation (1 from 5,663 patents)

8. Lanxess Corporation (98 patents)

1. 10053555 - Flame retardant resins comprising phosphorus containing flame retardants

2. 9994696 - Flame retardant resins comprising phosphorous containing flame retardants

3. 9988520 - Flame retartdant epoxy resins comprising phosphorus containing flame retardants

4. 9765204 - Halogen free high temperature polyamide compositions comprising phosphorus containing flame retardants

5. 9758640 - Process stabilization of polymer compositions comprising phosphorous containing flame retardants

6. 9752009 - Flame retardant polymer compositions comprising heat treated phosphorus compounds and melam

7. 9752011 - Phosphorus containing flame retardants

8. 9745449 - Phosphorus containing flame retardants

9. 9534108 - Flame retardant epoxy resins comprising phosphorus containing flame retardants

10. 9388340 - Preparation of hydroxyphenyl phosphine oxide mixtures

11. 9221948 - Phosphorus-containing flame retardants

12. 9145488 - Aluminum phosphorus acid salts as epoxy resin cure inhibitors

13. 8895648 - Phosphorus-containing flame retardants

14. 8865862 - Hydroxyphenyl phosphine oxide mixtures and their use as flame retardants for epoxy resins

15. 8680341 - Arylalkenyl ether oligomers and polymers and their use in the production of flame retardants