Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Drilling mud compositions containing high molecular weight poly (vinylamines)

Drilling mud compositions containing high molecular weight poly (vinylamines)

US Patent 4804793 · Granted Feb 14, 1989

Estimated economic value: $12,162,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Polarizer for a multi-domain vertical alignment liquid crystal display2006
Plasma display panel structure having polarization plate2006
Polarizer to improve contrast for liquid crystal display from down view angle2005
Method for forming anti-glaring and anti-reflecting film2005
Antiglare film2005
Method for preparing poly(vinyl alcohol)-co-poly(vinylamine) via a two-phase pro1994
Two-phase process for preparing poly(vinyl alcohol)-co-poly(vinylamine)1993
Epichlorohydrin or chlorine-containing vinyl or acrylate (co)polymer-modified am1993
Aqueous polyurethane-vinyl polymer dispersions for coating applications1992
Vinyl alcohol copolymers containing allylamine functionality1992
Aqueous vinyl chloride-ethylene copolymer/polyisocyanate adhesive compositions f1992
Crosslinked vinylamine polymer in enhanced oil recovery1992