Granted Patent
Utility
US 6,545,187 · App. 09/682,560
Production of low-particulate bisphenol and use thereof in the manufacturing of polycarbonate
Inventors:
Gaylord M. Kissinger, Fang Christine Chen, James C. Blubaugh, Darlene Hope Nance, Edward Brittain Stokes, Juan Rodriguez Ordonez, Jose Mercado Quintana
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Sep 19, 2001
Inventors
Gaylord M. Kissinger
Fang Christine Chen
James C. Blubaugh
Darlene Hope Nance
Edward Brittain Stokes
Juan Rodriguez Ordonez
Jose Mercado Quintana
Assignee (at issue)
General Electric Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.