Inventor · Midlothian, VA, US

Dale A. Hangey

11Patents
6h-index
17Co-inventors
59Inventor score

Filing activity: Jun 1, 1989 → Nov 18, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5110317A Methods and compositions to enhance stain resistance of dyed nylon carpet fibers: thiocyanate to reduce yellowing Emerging Cross-Sectional Technologies 23 Expired
US5145487A Methods and compositions to enhance stain resistance of carpet fibers using sulfonated aromatic condensates Emerging Cross-Sectional Technologies 16 Expired
US5230708A Methods and compositions to enhance stain resistance of nylon carpet fibers: thlocyanate to reduce yellowing Emerging Cross-Sectional Technologies 14 Expired
US5118551A Method to impart stain resistance to polyamide textile substrates Emerging Cross-Sectional Technologies 10 Expired
US5131909A Molecular size of hydrodynamic volume of sulfonated aromatic condensates used to impart stain resistance to polyamide carpets Emerging Cross-Sectional Technologies 8 Expired
US5152803A Methods and compositions to enhance stain resistance of carpet fibers with water-soluble thiocyanate Emerging Cross-Sectional Technologies 6 Expired
US5135774A Method to impart coffee stain resistance to polyamide fibers Textiles; Paper 4 Expired
US6030685A Carpet and yarns therefor Emerging Cross-Sectional Technologies 3 Expired
US5364541A Method to impart coffee stain resistance to polyamide textile substrates Textiles; Paper 3 Expired
US5359010A Method to impart coffee stain resistant to polyamide textile substances Textiles; Paper 1 Expired
US7258920B2 Multiphase fiber materials and compositions, methods of manufacture and uses thereof Emerging Cross-Sectional Technologies 0 Expired

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