Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
Inventor
active
Betaine group-containing derivatives of carboxymethylcellulose,
Betaine group-containing polysaccharides with recurring anhydrog
Betaine group-containing polysaccharides with recurring anhydrog
Method for the preparation of molded polyurethane and polyurea a
Method for the production of highly elastic, cold-curing polyure
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