Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From sulfur-containing reactant
Examiner
active
No affiliations
Acylamidomethylated polysulfone and process for production there
Adamantane based three-dimensional rigid-rod polymers
Aromatic polysulfone resin compositions
Aromatic thioether ketone/thioether sulfone copolymer and produc
Aromatic thioether ketone/thioether sulfone copolymer products
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