|
US4131730A
|
|
Modified polyamic acid from aminophthalic acid anhydride and dianhydride
|
|
US4000358A
|
|
Unsaturated ester-amides of halogenated alkenes
|
|
US4016224A
|
|
Halogenated esters of phosphorus-containing acids
|
|
US4052416A
|
|
Halogenated esters of phosphorus-containing acids (iii)
|
|
US3979416A
|
|
Preparation of aminophthalic anhydrides
|
|
US3984363A
|
|
Polymerizable lignin derivatives
|
|
US4064113A
|
|
Aminophthalic anhydride copolymers
|
|
US3980737A
|
|
Halogenated esters of phosphorus-containing acids
|
|
US3970727A
|
|
Halogenated esters of phosphorus-containing acids
|
|
US3985835A
|
|
Halogenated esters of phosphorus-containing acids
|
|
US3950457A
|
|
Polymers of halogenated esters of phosphorus-containing acids
|
|
US3950392A
|
|
Unsaturated ester-amides of halogenated alkenes
|
|
US3905926A
|
|
Polymerizable lignin derivatives
|
|
US3900536A
|
|
Halogenated esters of phosphorus-containing acids
|
|
US3886237A
|
|
Halogenated phosphonates
|
|
US3886236A
|
|
Halogenated esters of phosphorus-containing acids
|
|
US3888844A
|
|
Halogenated esters of phosphorus-containing acids (ii)
|
|
CA674220A
|
|
Tubular structure
|
