* Hyal Pharmaceutical Corp., of Mississauga, Ontario, received a patent covering hyaluronic acid in the treatment of reperfusion injury following heart attacks and strokes. The patent is titled "Use of Hyaluronic acid to repair ischemia reperfusion damage."
* Hyal Pharmaceutical Corp., of Mississauga, Ontario, received notice of allowance for a patent covering its lead product, Solarasse, a topical treatment for actinic keratosis. The patent is titled "Treatment of basal cell carcinoma and actinic keratosis employing hyaluronic acid and NSAIDs."
* Micrologix Biotech Inc., of Vancouver, received patent No. 5,593,866 for a method of protecting host bacterial cells from the killing effect of the antibiotic peptide the bacteria has been engineered to make.