Inventor

PFEFFER HENRY A

US14 patents

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

FMC CORP

7 patents

US5045296ASep 3, 1991

Sodium carbonate perhydrate process

FMC CORP26 citations91

US4966762AOct 30, 1990

Process for manufacturing a soda ash peroxygen carrier

FMC CORP42 citations91

US5662840ASep 2, 1997

Process for making gel microbeads

FMC CORP37 citations90

US7998446B2Aug 16, 2011

Flue gas desulfurization process utilizing hydrogen peroxide

FMC CORP11 citations83

US4970058ANov 13, 1990

Soda ash peroxygen carrier

FMC CORP22 citations81

US5364605ANov 15, 1994

Recovery of cyanide from precious metal tailings

FMC CORP17 citations69

US4282359AAug 4, 1981

Purification of cyanuric acid

FMC CORP2 citations61

PFEFFER HENRY A

3 patents

US8147785B2Apr 3, 2012

Combustion flue gas NOx treatment

PFEFFER HENRY A6 citations82

US8877149B2Nov 4, 2014

Combustion flue gas NOx treatment

PFEFFER HENRY A5 citations71

US8486366B2Jul 16, 2013

Activation of reactive compound with catalyst

PFEFFER HENRY A5 citations60

ROVISON JR JOHN M

1 patent

US9018142B2Apr 28, 2015

Oil-field biocide method utilizing a peracid

ROVISON JR JOHN M26 citations88

FMC PROPERTIES LLC

1 patent

US6444130B1Sep 3, 2002

Process for rendering waste from electric furnace production of phosphorus non-hazardous

FMC PROPERTIES LLC23 citations86

HUANG SHURONG

1 patent

US8575075B2Nov 5, 2013

Oil-field viscosity breaker method utilizing a peracid

HUANG SHURONG11 citations76

(unassigned)

1 patent

US6268191B1Jul 31, 2001

Enzyme immobilization by imbibing an enzyme solution into dehydrated hydrocolloid gel beads