Herbert N. Praay

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Midland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
System for dimensionally stable isocyanate-free polyurethane foam
- Patent number 11,718,724
- Issue date Aug 8, 2023
- DDP SPECIALTY ELECTRONIC MATERIALS US, LLC
- Megan Thomas
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the manufacture of R-(+)-2-(4-(4-cyano-2-fluorophenoxy)...
- Patent number 9,598,356
- Issue date Mar 21, 2017
- Dow AgroSciences LLC
- Ronald B. Leng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of R-(+)-2-(4-(4-cyano-2-fluorophenoxy)...
- Patent number 8,071,804
- Issue date Dec 6, 2011
- Dow AgroSciences LLC
- Ronald B. Leng
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification of n-(phosphonomethyl)glycine
- Patent number 7,683,207
- Issue date Mar 23, 2010
- Dow AgroSciences LLC
- Jimmy Jui Tai
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM FOR DIMENSIONALLY STABLE ISOCYANATE-FREE POLYURETHANE FOAM
- Publication number 20200181348
- Publication date Jun 11, 2020
- DOW GLOBAL TECHNOLOGIES LLC
- Megan THOMAS
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR THE MANUFACTURE OF R-(+)-2-(4-(4-CYANO-2-FLUOROPHENOXY)...
- Publication number 20110152560
- Publication date Jun 23, 2011
- Dow AgroSciences LLC
- Ronald B. Leng
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE MANUFACTURE OF R-(+)-2-(4-(4-CYANO-2-FLUOROPHENOXY)...
- Publication number 20090112015
- Publication date Apr 30, 2009
- Dow AgroSciences LLC
- Ronald B. Leng
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Purification of N-(phosphonomethyl)glycine
- Publication number 20060264655
- Publication date Nov 23, 2006
- Jimmy Jui Tai
- C07 - ORGANIC CHEMISTRY