Inventor

HOFF MICHAEL H

US4 patents

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

NL INDUSTRIES INC

2 patents

US4758357AJul 19, 1988

Dispersible hydrophilic polymer compositions for use in viscosifying heavy brines

NL INDUSTRIES INC15 citations69

US4394273AJul 19, 1983

Defoamers for aqueous liquids containing soluble zinc salts

NL INDUSTRIES INC2 citations58

HALLIBURTON ENERGY SERV INC

1 patent

US6562764B1May 13, 2003

Invert well service fluid and method

HALLIBURTON ENERGY SERV INC43 citations88

BAROID TECHNOLOGY INC

1 patent

US5985801ANov 16, 1999

Oil-free water-soluble hydroxyethyl cellulose liquid polymer dispersion

BAROID TECHNOLOGY INC15 citations69