JH

John P. Hatfield

AC Arch Specialty Chemicals: 2 patents #3 of 23Top 15%
📍 Hope Valley, RI: #2 of 4 inventorsTop 50%
🗺 Rhode Island: #44 of 371 inventorsTop 15%
Overall (2005): #50,004 of 245,428Top 25%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6911297 Photoresist compositions David Brzozowy, J. Thomas Kocab, Lawerence Ferreira, Andrew J. Blakeney 2005-06-28
6855476 Photoacid generators for use in photoresist compositions Lawrence Ferreira, Andrew J. Blakeney, Gregory Spaziano, Ognian N. Dimov, J. Thomas Kocab 2005-02-15