Appeal No. 93-4332 Application 07/707,717 15. The process of claim 9 in which step (b) comprises heating the mixture at a temperature within the range of about 130 to about 200 C for a time of 2 to about 20 hours.0 3Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14Last modified: November 3, 2007