Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Patent
1995-01-18
1996-07-30
Shah, Mukund J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen in the nitrogen containing substituent
544376, 544333, 544182, 544179, 546153, 546155, 546168, 546170, 546173, 548218, 548151, 5483044, 549242, 549370, 549 22, 549 14, 549 30, 549 60, C07D40712, C07D40514, C07D41114, C07D41314
Patent
active
055413234
ABSTRACT:
Anhydride compounds which contain at least one rodlike mesogenic moiety and at least two anhydride groups per molecule, wherein each of said aromatic anhydride groups is linked to the mesogen via an ester linkage are prepared. These anhydride compounds are useful in curing epoxy resins to provide the cured products with one or more improved properties.
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"4-Esters of Trimellitic Anhydride", by I. Puskas and E. Fields in Ind Eng. Chem. Prod. Res. Develop., vol. 9, No. 3, pp. 403-407, 1970 **.
Earls Jimmy D.
Hefner, Jr. Robert E.
Shah Mukund J.
The Dow Chemical Company
Wong King L.
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