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Michael H. Ackerman
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East Meadow, NY, US
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last 30 patents
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Patent Grant
Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-p...
Patent number
6,492,440
Issue date
Dec 10, 2002
Ciba Specialty Chemicals Corporation
James Peter Galbo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-p...
Patent number
6,409,941
Issue date
Jun 25, 2002
Ciba Specialty Chemicals Corp.
James Peter Galbo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-p...
Patent number
6,403,680
Issue date
Jun 11, 2002
Ciba Specialty Chemicals Corporation
James Peter Galbo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-p...
Patent number
6,265,473
Issue date
Jul 24, 2001
Ciba Specialty Chemicals Corp.
James Peter Galbo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Methods for the preparation of tris-aryl-o-hydroxyphenyl-s-triazines
Patent number
6,242,598
Issue date
Jun 5, 2001
Ciba Specialty Chemicals Corporation
Tyler Arthur Stevenson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyalkyl-4-piperidinol derivatives for use as stabilizers for orga...
Patent number
5,439,958
Issue date
Aug 8, 1995
Ciba-Geigy Corporation
Roberto Scrima
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing N-hydrocarbyloxy derivatives of sterically hi...
Patent number
4,921,962
Issue date
May 1, 1990
Ciba-Geigy Corporation
James P. Galbo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
N-Piperidyl tetrahydro-1,4-oxazin-2-one light stabilizers
Patent number
4,547,537
Issue date
Oct 15, 1985
Ciba-Geigy Corporation
Roger F. Malherbe
C07 - ORGANIC CHEMISTRY