IP Library › Granted Patent US 4,918,181
Granted Patent Utility
US 4,918,181 · App. 07/162,910

Tertiaryaminoalkyl-hydroxyalkyl ethers of polygalactomannans

Inventors: Dennis J. Karcher, Michael E. Morgan, Martha A. Phelps
Patented Case View Patent ↗
Granted: Apr 17, 1990 Filed: Mar 2, 1988
Inventors
Dennis J. Karcher
Michael E. Morgan
Martha A. Phelps

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Quick Facts
Patent No.
US 4,918,181
App. No.
07/162,910
Filed
1988-03-02
Granted
1990-04-17
Kind
A