Granted Patent
Utility
US 4,999,446 · App. 07/541,516
Trimethoxysilane preparation via the methanol-silicon reaction with recycle
Inventors:
Lawrence G. Moody, Thomas E. Childress, Robert L. Pitrolo, James S. Ritscher, Ronald P. Leichliter
Patented Case
View Patent ↗
Granted: Mar 12, 1991
Filed: Jun 21, 1990
Inventors
Lawrence G. Moody
Thomas E. Childress
Robert L. Pitrolo
James S. Ritscher
Ronald P. Leichliter
Assignee (at issue)
Union Carbide Chemicals & Plastics
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.