Charles M. Leihr

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New Richmond, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Block copolymer, method of making the same, dimaine precursors of t...
- Patent number 5,214,119
- Issue date May 25, 1993
- Minnesota Mining and Manufacturing Company
- Charles M. Leihr
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...