Inventor · Springfield, OH, US

Robert Lee Barcus

13Patents
6h-index
12Co-inventors
63Inventor score

Filing activity: Dec 28, 1989 → Nov 7, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5443899A Fibers and pulps for papermaking based on chemical combination of poly(acrylate-co-itaconate), polyol and cellulosic fiber Emerging Cross-Sectional Technologies 93 Expired
US5049235A Poly(methyl vinyl ether-co-maleate) and polyol modified cellulostic fiber Emerging Cross-Sectional Technologies 91 Expired
US5160789A Fibers and pulps for papermaking based on chemical combination of poly(acrylate-co-itaconate), polyol and cellulosic fiber Emerging Cross-Sectional Technologies 88 Expired
US5698074A Fibers and pulps for papermaking based on chemical combination of poly (acrylate-co-itaconate), polyol and cellulosic fiber Emerging Cross-Sectional Technologies 82 Expired
US7125469B2 Temporary wet strength resins Textiles; Paper 28 Expired
US7217339B2 Fibrous structures exhibiting improved wet strength properties Textiles; Paper 7 Expired
US7258763B2 Temporary wet strength additives Textiles; Paper 4 Expired
US7259218B2 Processes for making temporary wet strength additives Textiles; Paper 3 Expired
US7691233B2 Temporary wet strength additives Textiles; Paper 2 Active
US7598331B2 Processes for making temporary wet strength additives Textiles; Paper 1 Active
US7625989B2 Processes for making temporary wet strength additives Textiles; Paper 1 Active
US9321852B2 Polysaccharide derivatives and structures employing same Emerging Cross-Sectional Technologies 0 Active
US8592573B2 Thermoplastic heteropolysaccharide derivatives and methods for making same Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.