JP

John R. Peffer

PI Ppg Industries: 14 patents #54 of 1,216Top 5%
Overall (All Time): #326,401 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D606351 Pair of chain pulls 2009-12-22
4808663 Method of preparing acrylic polymers containing hydrolyzable moieties from organosilane compounds Wen-Hsuan Chang, Paul J. Prucnal, Edward L. Dufford, Ronald R. Ambrose 1989-02-28
4788107 Substrates coated with nonaqueous compositions comprising acrylic polymers containing hydrolyzable moieties from organosilane compounds Wen-Hsuan Chang, Paul J. Prucnal, Edward L. Dufford, Ronald R. Ambrose 1988-11-29
4732929 Silicon-containing polyols Wen-Hsuan Chang, David T. McKeough 1988-03-22
4714738 Acrylic polymers containing hydrolyzable moieties from organosilane compounds Wen-Hsuan Chang, Paul J. Prucnal, Edward L. Dufford, Ronald R. Ambrose 1987-12-22
4605724 High solids lactone-polyester polyols and coating compositions thereof Ronald R. Ambrose, Wen-Hsuan Chang, David T. McKeough 1986-08-12
4543405 High solids polyurethane polyols and coating compositions thereof Ronald R. Ambrose, Wen-Hsuan Chang, David T. McKeough 1985-09-24
4540771 High solids polyester polyols and resinous polyols thereof Ronald R. Ambrose, Wen-Hsuan Chang, David T. McKeough 1985-09-10
4501872 Moisture curable compositions containing reaction products of hydrophobic polyols and organosilicon-containing materials Wen-Hsuan Chang, David T. McKeough 1985-02-26
4467081 Gelable, silicate rich resins from hydrophobic polyols and volatile and/or incompatible organosilicates Wen-Hsuan Chang, David T. McKeough 1984-08-21
4446292 Moisture curable compositions containing reaction products of hydrophobic polyols and monomer organosilicon-containing substances Wen-Hsuan Chang, David T. McKeough 1984-05-01
4429082 Film-forming resins containing alkoxy silane groups Kyu-Wang Lee, Robert M. Piccirilli, Wen-Hsuan Chang 1984-01-31
4417022 Coating compositions based on polyol-containing film forming components and organic alcoholic reactive diluents Wen-Hsuan Chang, James B. O'Dwyer 1983-11-22
4343925 Coating compositions based on polyol-containing film forming components and organic alcoholic reactive diluents Wen-Hsuan Chang, James B. O'Dwyer 1982-08-10
4218355 Low organic solvent-containing polyester coating compositions Wen-Hsuan Chang, Ronald J. Lewarchik 1980-08-19