Inventor

FENCHL ANDREA

DE4 patents

⚠️ This page may combine multiple inventors who share the name “FENCHL ANDREA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SKW POLYMERS GMBH

2 patents

US6346588B1Feb 12, 2002

Terpolymers based on sulfobetaines, processes for their preparation and their use as thickeners for aqueous salt solutions

SKW POLYMERS GMBH41 citations90

US6608159B2Aug 19, 2003

Polymeric, acrylamide-free water retention agent

SKW POLYMERS GMBH8 citations71

HALLIBURTON ENERGY SERV INC

1 patent

US7399355B2Jul 15, 2008

Fluid loss control additive and cement compositions comprising same

HALLIBURTON ENERGY SERV INC22 citations92

BASF CONSTR POLYMERS GMBH

1 patent

US7202319B2Apr 10, 2007

Water-soluble copolymers based on olefinic sulfonic acids, method for the production thereof and use of the same

BASF CONSTR POLYMERS GMBH14 citations81