Appeal No. 95-0562 Application 07/878,940 23. The process of treating an oil well with an effective amount of the microcapsule of Claim 1 capable of providing the treatment in the presence of brine solution containing about 20,000 mg/1 chloride ion for a period of time of at least about one month. 12Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12Last modified: November 3, 2007