IP Library › Granted Patent US 4,698,428
Granted Patent Utility
US 4,698,428 · App. 06/871,954

Catalytic method for the manufacture of N,N'-dimethylpiperazine

Inventors: Robert L. Zimmerman, Steven H. Vanderpool
Patented Case View Patent ↗
Granted: Oct 6, 1987 Filed: Jun 9, 1986
Inventors
Robert L. Zimmerman
Steven H. Vanderpool
Assignee (at issue)
Texaco Inc.

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Quick Facts
Patent No.
US 4,698,428
App. No.
06/871,954
Filed
1986-06-09
Granted
1987-10-06
Kind
A