Inventor · disambiguated record
B. Keith Johnston
Also filed as: JOHNSTON B KEITH
4 granted patents·106 citations·filing 1991–1994
80Inventor score
Files withPPG INDUSTRIES INC4
Top patents by PatentIndex Score
4 records- 0184US5384367ACarbamate urea or urethane-functional epoxy acrylic with polyacidPPG INDUSTRIES INC·Filed 1993·Granted Jan 24, 1995·41 cites·7 claims
- 0270US5547757AColor-clear composite coatings having improved intercoat adhesionPPG INDUSTRIES INC·Filed 1994·Granted Aug 20, 1996·22 cites·11 claims
- 0368US5106651AMethod for improving resistance to water spotting and acid etching of coatings by exposure to UV radiationPPG INDUSTRIES INC·Filed 1991·Granted Apr 21, 1992·29 cites·12 claims
- 0463US5506325ACoating composition having improved rheology control and copolymer, mixture and process thereforPPG INDUSTRIES INC·Filed 1994·Granted Apr 9, 1996·14 cites·22 claims
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