1
Duane S Treybig, Dane Chang: Asphalt compositions containing anti-stripping additives prepared from hydrocarbyl substituted nitrogen-containing aromatic heterocyclic compounds, aldehydes or ketones and amines. The Dow Chemical Company, February 9, 1988: US04724003 (28 worldwide citation)

Asphalt compositions are improved by incorporating therein the reaction product of a hydrocarbyl substituted nitrogen-containing aromatic heterocyclic compound such as 2,4,6-trimethylpyridine, an aldehyde such as formaldehyde or ketone such as acetone and an amine such as a mixture of C.sub.10 -C.su ...


2
Dane Chang, Stephen A Bedell, Larry H Kirby: Method for simultaneous absorption of sulfur dioxide and nitric oxide from flue gas. The Dow Chemical Company, July 18, 1995: US05433934 (16 worldwide citation)

The simultaneous abatement of NO and SO.sub.2 in flue gas is provided by an absorption process and apparatus utilizing an absorbent composition comprising an aqueous solution of chelates and sulfite salt for NO abatement and amine SO.sub.2 absorbents such as piperazinones, morpholinones, piperidines ...


3
Dane Chang, David L Wolfe: Bituminous compositions having high adhesive properties. The Dow Chemical Company, Bruce M Kanuch, June 13, 1989: US04839404 (16 worldwide citation)

A composition useful as a pavement material comprising a mixture of asphalt, aggregate and an interpolymer of an .alpha.-olefin monomer selected from the group consisting of an .alpha.,.beta.-ethylenically unsaturated carboxylic acid or an ionomer of an .alpha.,.beta.-ethylenically unsaturated carbo ...


4
Dane Chang, Stephen A Bedell: Automatic pH control in a process for removal of hydrogen sulfide from a gas. The Dow Chemical Company, Benjamin G Colley, February 17, 1987: US04643886 (14 worldwide citation)

A method for removing hydrogen sulfide from a gaseous stream by contacting the gaseous stream with a polyvalent metal chelate present in an aqueous alkaline scrubbing solution including the regeneration of the polyvalent metal chelate in an electrolytic cell and automatic control of the pH of said a ...


5

6
Joanna M Farella, Dane Chang, Felipe A Donate, Aubrey J Rhymes Jr: Aqueous cleaning formulation containing a 2-piperazinone, method of using the same and concentrate for preparing the same. The Dow Chemical Company, March 23, 1993: US05196146 (11 worldwide citation)

An aqueous formulation for cleaning grease and oil from metal, plastic, glass or other surfaces includes water, a surfactant, and a corrosion-inhibiting amount of a 2-piperazinone. The surfactant is chosen from the class of materials possessing at least some ability in aqueous solution to disperse t ...


7
Dane Chang, Michael C McGaugh: Continuous process for the removal of hydrogen sulfide from a gaseous stream. The Dow Chemical Company, A E Pierce, August 23, 1988: US04765873 (9 worldwide citation)

A process for removing hydrogen sulfide from a gaseous stream containing hydrogen sulfide by contacting said stream with an aqueous solution of ammonium hydroxide to produce ammonium sulfide; converting said ammonium sulfide to an ammonium polysulfide intermediate in an electrolytic cell at ambient ...


8
Dane Chang, Druce K Crump: Asphalt compositions containing anti-stripping additives prepared from amines or polyamines and phosphonates. The Dow Chemical Company, November 22, 1988: US04786329 (8 worldwide citation)

Asphalt compositions are improved by incorporating therein the reaction product of (a) a phosphorus-containing compound, (b) an amine or polyamine and (c) a carbonyl-containing compound as an anti-stripping agent. These asphalt compositions are useful as a pavement material by blending with an aggre ...


9
William J Michie Jr, Dane Chang, Lonnie G Hazlitt, Stephanie M Whited, Michael A Kinnan, Anthony C Neubauer, Thoi H Ho: Polyethylene compositions, methods of making the same, and articles prepared therefrom. Dow Global Technologies, January 1, 2013: US08344068 (7 worldwide citation)

The invention is related to compositions suitable for the fabrication of pipes, and other articles, with excellent performance properties. The invention provides a composition, comprising a blend, wherein said blend comprises a high molecular weight ethylene-based interpolymer and a low molecular we ...


10
Dane Chang, Steven H Christiansen, David A Wilson: Process for absorption of sulfur compounds from fluids. The Dow Chemical Company, April 28, 1992: US05108723 (7 worldwide citation)

A process for removing SO.sub.2 from a fluid containing SO.sub.2 by employing as an absorbent for the SO.sub.2 an admixture of water and a compound represented by Formula I: ##STR1## wherein each R.sup.1, R.sup.2 or R.sup.3 is independently hydrogen; an alkyl group; a carboxylic acid group; a hydrox ...