Balaram Gupta

Process of producing aromatic polyesters

Sulfoalkylation of polybenzimidazole

Thermotropic liquid crystalline poly(esteramides)

Polyanhydride from carboxy aryloxy alkanoic acid

Sulfalkylation of hydroxyethylated polybenzimidazole polymers

Copolymers of p-acetoxystyrene with any of certain polyunsaturated compounds

Process for the preparation of poly (vinylphenol) from poly (acetoxystyrene) by acid catalyzed transesterification.

Development of in situ blends of poly(p-oxybenzoate-co-p-phenyleneisophthalate) with other thermotropic liquid crystalline polymers

Selective hydrolysis of copolymers of para-acetoxy styrene and all allyl esters of ethylenically unsaturated acids

Selective hydrolysis of copolymers of para-acetoxy styrene and dialkyl muconates or alkyl sorbates