P

Inventor

CHANG DANE

US33 patents
⚠️ This page may combine multiple inventors who share the name “CHANG DANE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DOW CHEMICAL CO

19 patents
US4724003AFeb 9, 1988

Asphalt compositions containing anti-stripping additives prepared from hydrocarbyl substituted nitrogen-containing aromatic heterocyclic compounds, aldehydes or ketones and amines

DOW CHEMICAL CO42 citations93
US5817593AOct 6, 1998

Catalyst and process for producing amines

DOW CHEMICAL CO25 citations92
US5433934AJul 18, 1995

Method for simultaneous absorption of sulfur dioxide and nitric oxide from flue gas

DOW CHEMICAL CO44 citations92
US4839404AJun 13, 1989

Bituminous compositions having high adhesive properties

DOW CHEMICAL CO25 citations92
US5196146AMar 23, 1993

Aqueous cleaning formulation containing a 2-piperazinone, method of using the same and concentrate for preparing the same

DOW CHEMICAL CO21 citations87
US4643886AFeb 17, 1987

Automatic pH control in a process for removal of hydrogen sulfide from a gas

DOW CHEMICAL CO24 citations82
US5952529ASep 14, 1999

Catalyst and process for producing amines

DOW CHEMICAL CO16 citations81
US4765873AAug 23, 1988

Continuous process for the removal of hydrogen sulfide from a gaseous stream

DOW CHEMICAL CO22 citations78
US5789490AAug 4, 1998

Amine capped polyethers and process for producing same

DOW CHEMICAL CO15 citations74
US4895600AJan 23, 1990

Asphalt compositions containing anti-stripping additives prepared from amines or polyamines and phosphonates

DOW CHEMICAL CO10 citations74
US4786329ANov 22, 1988

Asphalt compositions containing anti-stripping additives prepared from amines or polyamines and phosphonates

DOW CHEMICAL CO12 citations74
US4701484AOct 20, 1987

Asphalt compositions containing anti-stripping additives prepared from amines or polyamines and aldehydes

DOW CHEMICAL CO10 citations74
US5342593AAug 30, 1994

Process for absorption of sulfur compounds from fluids

DOW CHEMICAL CO8 citations73
US5236678AAug 17, 1993

Process for absorption of sulfur compounds from fluids using piperidines

DOW CHEMICAL CO9 citations73
US5108723AApr 28, 1992

Process for absorption of sulfur compounds from fluids

DOW CHEMICAL CO9 citations73
US5098681AMar 24, 1992

Process for absorption of sulfur compounds from fluids

DOW CHEMICAL CO14 citations73
US4765839AAug 23, 1988

Bituminous compositions containing anti-stripping additives prepared from amines and substituted heterocyclic compounds

DOW CHEMICAL CO2 citations63
US4980471ADec 25, 1990

Preparation of piperazinones for use as sulfur dioxide absorbents

DOW CHEMICAL CO4 citations62
US4765969AAug 23, 1988

Continuous process for scrubbing hydrogen sulfide to produce elemental sulfur

DOW CHEMICAL CO2 citations58

DOW GLOBAL TECHNOLOGIES LLC

9 patents

HOWMET RES CORP

2 patents

DOW GLOBAL TECHNOLOGIES INC

1 patent

MICHIE JR WILLIAM J

1 patent

HOWMET CORP

1 patent