Joseph Perez

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Amherst, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
1-piperazinyl-2-butenes and -2-butynes
- Patent number 5,440,048
- Issue date Aug 8, 1995
- Hoechst-Roussel Pharmaceuticals Inc.
- Helen H. Ong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-piperazinyl-2-butenes and -2-butynes
- Patent number 5,334,715
- Issue date Aug 2, 1994
- Hoechst-Roussel Pharmaceuticals Inc.
- Helen H. Ong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-piperazinyl-2-butenes and -2-butynes
- Patent number 5,194,436
- Issue date Mar 16, 1993
- Hoechst-Roussel Pharmaceuticals Inc.
- Helen H. Ong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1-piperazinyl-2-butenes and -2-butynes
- Patent number 5,130,315
- Issue date Jul 14, 1992
- Wittekind; Raymond R.
- Helen H. Ong
- C07 - ORGANIC CHEMISTRY