Inventor · Skokie, IL, US

Daniel A. Batzel

18Patents
7h-index
30Co-inventors
66Inventor score

Filing activity: May 31, 1988 → Jun 28, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5658460A Use of inorganic ammonium cation salts to maintain the flux and salt rejection characteristics of reverse osmosis and nanofiltration membranes during drying Performing Operations; Transporting 48 Expired
US5280183A Microelectronic device employing multiring phthalocyanine compound Chemistry; Metallurgy 28 Expired
US5368889A Method of making thin film composite membranes Performing Operations; Transporting 23 Expired
US5478919A Aspartic acid copolymers and their preparation Chemistry; Metallurgy 22 Expired
US5508434A Production of a polysuccinimide and derivatives thereof in the presence of a sulfur-containing dehydrating agent Chemistry; Metallurgy 18 Expired
US4900817A Multiring phthalocyanine compounds Chemistry; Metallurgy 9 Expired
US9365333B2 Safe container Performing Operations; Transporting 7 Active
USRE36234E Aspartic acid copolymers and their preparation General 5 Expired
US5491213A Production of polysuccinimide Chemistry; Metallurgy 5 Expired
US5756595A Production of polysuccinimide in cyclic carbonate solvent Chemistry; Metallurgy 4 Expired
US5681920A Process for production of a polysuccinimide and derivatives thereof Chemistry; Metallurgy 3 Expired
US5227536A Process for preparing hydroxybenzocyclobutenes Chemistry; Metallurgy 3 Expired
US5939518A Polyaspartate (salt) by polymerizing aspartic acid and hydrolyzing Chemistry; Metallurgy 2 Expired
US10577152B2 Safe container Performing Operations; Transporting 1 Active
US9035287B2 Polymeric materials for use in metal-oxide-semiconductor field-effect transistors Electricity 1 Active
US9190493B2 Photopatternable materials and related electronic devices and methods Electricity 0 Active
US11787603B2 Sliding closure and container Performing Operations; Transporting 0 Active
US9704997B2 Photopatternable materials and related electronic devices and methods Electricity 0 Active

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