Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Fluid loss control additives for oil well cementing compositions

Fluid loss control additives for oil well cementing compositions

US Patent 5046562 · Granted Sep 10, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Composition and method to improve the fuel economy of hydrocarbon fueled interna2016
Continuous process for the synthesis of graft polymers based on polyethers2015
Amphiphilic graft polymers based on polyalkylene oxides and vinyl esters2013
Deodorization of polymer compositions2012
Cleaning compositions with amphiphilic graft polymers based on polyalkylene oxid2012
Agglomerated particles of finely divided polymers which are water-soluble or cap2003
Copolymers and their reaction products with amines as fuel and lubricant additiv2003
Copolymers and their reaction products with amines as fuel and lubricant additiv2001
Phosphonomethylated polyvinylamines and preparation and use thereof2001
Agglomerated particles of water-swellable addition polymers, preparation thereof2001
Aqueous solutions or dispersions of copolymers1999
Water-thickening copolymers of acrylic and N-alkylmaleamic monomers1999