David Weller

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Suisun City, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Aromatic imine compounds for use as sulfide scavengers
- Patent number 8,337,792
- Issue date Dec 25, 2012
- Guard Products LLC
- Gary Westlund
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic imine compounds for use as sulfide scavengers
- Patent number 7,985,881
- Issue date Jul 26, 2011
- Guard Products LLC
- Gary Westlund
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Composition and method for removing iron stain and scale
- Patent number 6,355,605
- Issue date Mar 12, 2002
- David L. Weller
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...

Patents Applicationslast 30 patents

Information Patent Application
AROMATIC IMINE COMPOUNDS FOR USE AS SULFIDE SCAVENGERS
- Publication number 20110271835
- Publication date Nov 10, 2011
- GUARD PRODUCTS LLC
- Gary Westlund
- C07 - ORGANIC CHEMISTRY
Information Patent Application
AROMATIC IMINE COMPOUNDS FOR USE AS SULFIDE SCAVENGERS
- Publication number 20090065445
- Publication date Mar 12, 2009
- GUARD PRODUCTS LLC
- Gary Westlund
- C07 - ORGANIC CHEMISTRY