Inventor
COVINGTON JOHN B
US7 patents
⚠️ This page may combine multiple inventors who share the name “COVINGTON JOHN B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINNESOTA MINING & MFG
3 patentsUS4262072AApr 14, 1981
Poly(ethylenically unsaturated alkoxy) heterocyclic protective coatings
MINNESOTA MINING & MFG249 citations96
US4323591AApr 6, 1982
Irradiation of polyacrylate films in air
MINNESOTA MINING & MFG32 citations90
US4306954ADec 22, 1981
Process for polymerizing acrylic substituted hydantoins in air
MINNESOTA MINING & MFG30 citations90
TEXAS INSTRUMENTS INC
3 patentsUS4816380AMar 28, 1989
Water soluble contrast enhancement layer method of forming resist image on semiconductor chip
TEXAS INSTRUMENTS INC9 citations71
US4997742AMar 5, 1991
Water soluble contrast enhancement composition with 1-oxy-2 diazonaphthalene sulfonamide salt and polyvinyl alcohol
TEXAS INSTRUMENTS INC4 citations60
US5173390ADec 22, 1992
Water soluble contrast enhancement composition and method of use
TEXAS INSTRUMENTS INC0 citations50