Patents
Sitemap › B29 - Working of plastics; Working of substances in a plastic state in general › B29K - Indexing scheme associated with subclasses , or , relating to moulding materials or to materials for reinforcements, fillers or preformed parts, e.g. inserts › B29K 433 - Use of polymers of unsaturated acids or derivatives thereof, as filler
Patents for B29K 433 - Use of polymers of unsaturated acids or derivatives thereof, as filler (1)
03/2007
03/07/2007CN1302909C Method for producing antiwear cigarette packing polypropylene film through coextruding heat sealing and two-way stretching