Inventor · Gilbertsville, PA, US

Robert W. Lee

21Patents
7h-index
20Co-inventors
69Inventor score

Filing activity: Nov 15, 1976 → Nov 7, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US4103074A Process for coagulating polymer latices using screw-type extruder Emerging Cross-Sectional Technologies 29 Expired
US5281670A Polyolefin compositions Chemistry; Metallurgy 20 Expired
US5368837A X-ray contrast compositions containing an organic crystalline X-ray contrast agent and a cellulose derivative Human Necessities 19 Expired
US5106917A Peelable lidstock based on polybutylene block copolymer blends Chemistry; Metallurgy 15 Expired
US5486558A Plastic closures and closure liners Chemistry; Metallurgy 14 Expired
US5525327A Polymeric x-ray contrast compositions containing iodinated polymeric beads and microcrystaline cellulose Human Necessities 12 Expired
US4410659A Manufacture of rubber modified copolymers in an extruder type reactor Chemistry; Metallurgy 9 Expired
USH1419H Functionalized modified high melt flow polyolefins General 5 Active
US5443814A X-ray contrast compositions containing iodophenoxyalkanes and cellulose derivatives Performing Operations; Transporting 4 Expired
US10137083B2 Ophthalmic preparations Human Necessities 3 Active
US5543132A X-ray contrast compositions containing a barium salt and a cellulose derivative Human Necessities 2 Expired
US5607660A Compositions of iodophenoxy alkanes and iodophenyl ethers in combination with cellulose derivatives for visualization of the gastrointestinal tract Human Necessities 1 Expired
USH1301H Method for controlling polymer shrinkage General 1 Active
US5676743A Ink formulations containing cycloparaffins Chemistry; Metallurgy 1 Expired
US5385722A Compositions of iodophenyl esters and iodophenyl sulfonates and cellulose derivatives for visualization of the gastrointestinal tract Chemistry; Metallurgy 1 Expired
US5385721A Compositions of alkylbenzenes and cellulose derivatives for visualization of the gastrointestinal tract Chemistry; Metallurgy 1 Expired
US11173112B2 Ophthalmic preparations Human Necessities 0 Active
US5422114A Compositions of iodoaniline derivatives and cellulose derivatives for visualization of the gastrointestinal tract Human Necessities 0 Expired
US5466435A Compositions of iodophenoxy alkylene ethers and cellulose derivatives for visualization of the gastrointestinal tract Chemistry; Metallurgy 0 Expired
US5385720A Compositions of iodobenzoic acid derivatives and cellulose derivatives for visualization of the gastrointestinal tract Human Necessities 0 Expired
US11311477B2 Ophthalmic preparations Human Necessities 0 Active

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