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College Point, NY, US
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last 30 patents
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Patent Grant
(Iodo-urea and iodo-isocyano) dioxepane trioxane copolymers
Patent number
5,071,952
Issue date
Dec 10, 1991
Hoechst Celanese Corporation
Nan-Loh Yang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel polyacetal copolymers of trioxane and glycidyl ester derivatives
Patent number
4,983,708
Issue date
Jan 8, 1991
Hoechst Celanese Corporation
Nan L. Yang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Novel polyacetal terpolymers of trioxane and alpha, alpha- and alph...
Patent number
4,975,519
Issue date
Dec 4, 1990
Hoechst Celanese Corporation
Nan L. Yang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Acetal copolymers with backbone bromo functional groups
Patent number
4,906,728
Issue date
Mar 6, 1990
Hoechst Celanese Corp.
Nan-Loh Yang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Acetal copolymers with backbone double bonds and graft copolymers t...
Patent number
4,900,783
Issue date
Feb 13, 1990
Hoechst Celanese Corporation
Nan-Loh Yang
C07 - ORGANIC CHEMISTRY