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Leonard J. Calbo Jr.
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Norwalk, CT, US
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last 30 patents
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Patent Grant
Latent catalysts
Patent number
5,187,019
Issue date
Feb 16, 1993
King Industries, Inc.
Leonard J. Calbo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Linear, low-molecular-weight polyester-based polyol
Patent number
5,023,367
Issue date
Jun 11, 1991
King Industries, Inc.
Leonard J. Calbo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Linear, low-molecular-weight polyester-based polyol
Patent number
4,922,002
Issue date
May 1, 1990
King Industries, Inc.
Leonard J. Calbo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing linear, low molecular weight polyester-based...
Patent number
4,902,821
Issue date
Feb 20, 1990
King Industries, Inc.
Leonard J. Calbo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Preparation of linear, low-molecular-weight polyester-based polyols
Patent number
4,888,441
Issue date
Dec 19, 1989
King Industries, Inc.
Leonard J. Calbo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aromatic sulfonic acid oxa-azacyclopentane adducts
Patent number
4,251,665
Issue date
Feb 17, 1981
King Industries, Inc.
Leonard J. Calbo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Curing amino resins with aromatic sulfonic acid oxa-azacyclopentane...
Patent number
4,200,729
Issue date
Apr 29, 1980
King Industries, Inc.
Leonard J. Calbo
C07 - ORGANIC CHEMISTRY