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Patent applications and USPTO patent grants for Bergman; Lee Harris.The latest application filed is for "method of purifying dianhydrides".
Patent | Date |
---|---|
Method of purifying dianhydrides Grant 7,863,463 - Pressman , et al. January 4, 2 | 2011-01-04 |
Method of purifying dianhydrides App 20070117990 - Pressman; Eric James ;   et al. | 2007-05-24 |
Method for making salts hydroxy-substituted hydrocarbons Grant 7,115,785 - Guggenheim , et al. October 3, 2 | 2006-10-03 |
Method for making salts hydroxy-substituted hydrocarbons App 20050049439 - Guggenheim, Thomas Link ;   et al. | 2005-03-03 |
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