Inventor · Hofheim, DE

Sienling Ong

9Patents
5h-index
9Co-inventors
52Inventor score

Filing activity: Jan 30, 1975 → Oct 25, 1985

Most-cited inventions

PatentTitleAreaCited byStatus
US4209333A Polyglycol esters, process for their preparation and their use as surface-active agents Emerging Cross-Sectional Technologies 12 Expired
US4454279A Thickener mixture for the manufacture of aqueous printing inks for gravure printing heat sublimable disperse dyestuffs Chemistry; Metallurgy 7 Expired
US4504272A Shading process using poly-functional reactive and non-reactive dyestuffs bonded in fixing Emerging Cross-Sectional Technologies 7 Expired
US4680033A Process for producing white and colored resists on polyamide fiber materials using reactive dye in free vinyl sulphone form Emerging Cross-Sectional Technologies 5 Expired
US3980426A Process for printing or pad-dyeing cellulose/polyester mixed fabrics Emerging Cross-Sectional Technologies 5 Expired
US4523922A Thickener mixtures, process for the manufacturing of transfer printing paper sheets using these mixtures, and paper sheets so obtained Chemistry; Metallurgy 4 Expired
US4132523A Process and agent for coloring cellulose containing blended fiber textiles Textiles; Paper 4 Expired
US4584124A Stable thickener dispersions which act as carriers Emerging Cross-Sectional Technologies 1 Expired
US4279615A Process and agent for the coloring of textiles of polyester fibers Emerging Cross-Sectional Technologies 0 Expired

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