M.A. HANNARUBBERCOMPOUNDING A DIVISION OF M.A. HANNA COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS 126

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5865535 Dynamic mixer control in plastics and rubber processingNov 06, 97Feb 02, 99[B29B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5974167 System and method for measuring and controlling the quality of dispersion of filler particles in rubber compoundsExpiredJun 30, 97Oct 26, 99[G06K]
5676461 Oil injection apparatus and method for polymer processingExpiredMar 18, 96Oct 14, 97[B29B]

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