Jerome J. Hoffman

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Hastings, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Block copolymer, method of making the same, diamine precursors of t...
- Patent number 5,512,650
- Issue date Apr 30, 1996
- Minnesota Mining and Manufacturing Company
- Charles M. Leir
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Block copolymer, method of making the same, diamine precursors of t...
- Patent number 5,461,134
- Issue date Oct 24, 1995
- Minnesota Mining and Manufacturing Company
- Charles M. Leir
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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-...
Information Patent Grant
Method of making purely primary diamines
- Patent number 4,933,396
- Issue date Jun 12, 1990
- Minnesota Mining and Manufacturing Company
- Charles M. Leir
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of making purely primary diamines from nitrogen containing n...
- Patent number 4,833,213
- Issue date May 23, 1989
- Minnesota Mining and Manufacturing Company
- Charles M. Leir
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...