Granted Patent
Utility
US 6,165,675 · App. 09/053,885
Isolation of novolak resin by low temperature sub surface forced steam distillation
Inventors:
M. Dalil Rahman, Daniel P. Aubin
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Apr 2, 1998
Inventors
M. Dalil Rahman
Daniel P. Aubin
Assignee (at issue)
Clariant Finance (BVI) Limited
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.