Number | Name | Date | Kind |
---|---|---|---|
3683912 | Olson et al. | Aug 1972 | |
3902493 | Baier et al. | Sep 1975 | |
4056103 | Kaczmarzyk et al. | Nov 1977 | |
4134863 | Fanta et al. | Jan 1979 |
Entry |
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"The Extra Pharmacopoeia", Martindale, The Pharmaceutical Press (London), 27th Ed. 1972. |
"A Consumers Dictionary of Cosmetic Ingredients", Winter, Crown, 1974. |