Granted Patent
Utility
US 4,136,015 · App. 05/804,227
Process for the thermal cracking of hydrocarbons
Inventors:
Gerard R. Kamm, David Milks, James D. Kearns, Herbert I. Britt, Cyrus R. Khavarian
Patented Case
View Patent ↗
Granted: Jan 23, 1979
Filed: Jun 7, 1977
Inventors
Gerard R. Kamm
David Milks
James D. Kearns
Herbert I. Britt
Cyrus R. Khavarian
Assignee (at issue)
Union Carbide Corporation
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.