PENFORD PRODUCTS CO.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 5115
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5565509 Reinforced films made from water soluble polymersJun 02, 95Oct 15, 96[C08G, B32B]
5527544 Reinforced films made from water soluble polymersMar 24, 95Jun 18, 96[C08G]
5525414 Method and materials for coating synthetic textile compositionsFeb 03, 94Jun 11, 96[B32B]
5416181 Reinforced films made from water soluble polymersDec 19, 91May 16, 95[C08G]
5130394 Starch graft polymersFeb 05, 91Jul 14, 92[C08G]
5130395 Salt stable starch graft polymersFeb 05, 91Jul 14, 92[C08G, B32B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0125,231 Coating FormulationAbandonedNov 15, 11May 24, 12[C09D, D21H]
5800870 Size press coating methodExpiredMar 03, 97Sep 01, 98[B05D, D21F]
5707720 Methods and materials for coating textile compositionsExpiredJan 07, 97Jan 13, 98[C08L]
5667885 Reinforced films made from water soluble polymersExpiredMay 14, 96Sep 16, 97[B32B]
5536764 Cationic starch/vinyl acetate containing board coating bindersExpiredAug 08, 94Jul 16, 96[C08F, C08L]
5436024 Cryoprotected surimi productExpiredJan 18, 94Jul 25, 95[A23L]
5436025 Cryoprotected surimi productExpiredSep 07, 94Jul 25, 95[A23L]
5003022 Starch graft polymersExpiredFeb 05, 90Mar 26, 91[C08G, B32B]
4954178 Starch hydrolyzate productExpiredOct 27, 88Sep 04, 90[C08B, C13F]
4808479 Warp yarn sizing composition and method for making and using sameExpiredSep 23, 87Feb 28, 89[C08L, B32B]
4786530 Finishing size composition and method for making and using sameExpiredAug 25, 87Nov 22, 88[B05D]
4375535 Stable liquid, amylopectin starch graft copolymer compositionsExpiredJan 09, 81Mar 01, 83[D06M, C08L]
4301017 Stable, liquid starch graft copolymer compositionExpiredApr 28, 80Nov 17, 81[D06M]
4279791 Recovery of cerium from polymer dispersionsExpiredMay 08, 80Jul 21, 81[C08L]

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