11.14.05
Patent No. US 6,596,686 B2: Research-ers for International Flavors & Fragrances Inc., New York, NY, patented a method for improving, enhancing or modifying the odor properties of an article containing a fragrance. The process incorporates an olfactory acceptable amount of tetrahydro-4-methylene-2-(4-methoxyphenyl)-2H-pyran, 5,6-dihydro-4-methyl-2-(4-me-thoxyphenyl)-2H-pyran and 3,6-dihydro-4-methyl-2-(4-methoxyphenyl)-2H-pyran.