David R. Nau

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Lebanon, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
N-acylated derivatives of polyethyleneimine bonded phase silica pro...
- Patent number 5,066,395
- Issue date Nov 19, 1991
- J. T. Baker Inc.
- Hugh E. Ramsden
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Use of sulfonic derivatives of acylated polyethyleneimine bonded ph...
- Patent number 4,721,573
- Issue date Jan 26, 1988
- J. T. Baker Chemical Company
- Hugh E. Ramsden
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Sulfonic derivatives of acylated polyethyleneimine bonded phase sil...
- Patent number 4,661,248
- Issue date Apr 28, 1987
- J. T. Baker Chemical Company
- Hugh E. Ramsden
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL