Calgon Corporation

Morton International, Inc.

Rohm and Haas Company

Morton Thiokol Inc.

Michael M Cook

Sally Lee Adams

Fred David Martin

Bennett P Boffardi

Paul H Ralston

Jeffrey A Ulman

Andrew T Daly

Stephen Gerard Maroldo

Richard P Haley

Leonard J Persinski

John Hiroshi Yamamoto

Aaron Sarafinas

Won Suh Park

Brian A McBride

David A Dunn

Richard A Mikulski

Celia L Alexander

Anthony M Mariniello

The present invention relates to a method of making lithium borohydride that gives high yields while maintaining ease of purification.

Method of making lithium borohydride

Coating powders having a resin system of comprising an epoxy resin and a carboxylic acid functional polymer contain a cure catalyst of formulae (I), (II) or mixtures of (I) and (II):

Coating powders for heat-sensitive substrates

An efficient and economical process for the waste treatment of spent metal plating solutions, primarily spent electroless nickel solutions, to significantly reduce the metal content therein, so as to permit direct discharge to municipal water systems without violation of the law. The waste treatment process is a sequential two-step chemical precipitation process, whereby the dissolved metal content is precipitated first by sodium borohydride reduction, followed by sodium dimethyldithiocarbamate precipitation, with an intermediate filtration step and pH adjustment step interposed there between. The amount of metal-bearing sludge produced is minimal. Furthermore, the bulk of the metals in the sludge may be recovered and reused, resulting in significant reduction in hazardous waste disposal costs.

Waste treatment of metal plating solutions

A sodium borohydride/sodium hydroxide solution for dithionite generation contains sufficient levels of diethylene triamine pentaacetic acid to chelate metals in the dithionate generation process and also in a pulp bleaching process.

Pulp bleaching solution

An aqueous solution for removing metals from waste water contains sodium borohydride, sodium aluminate and sodium hydroxide.

Sodium borohydride/sodium aluminate

A system containing beds of polymeric material containing antimicrobial agents are used to adjust the antimicrobial agent concentration of treatment streams used for treating fibers with antimicrobial agents. The adjustment step is performed by passing the stream through a bed which contains the agent in a concentration different than that of the stream.

Antimicrobial adjustment technique

Methods of using aqueous hydraulic cement compositions containing polyamido-sulfonic compounds as flow-property-improving and turbulence-inducing additives are disclosed.

Method of using cementing composition having improved flow properties

A method of inhibiting corrosion and scale formation in an aqueous system is disclosed which comprises the step of treating the said system with 0.1 to 500 parts per million by weight of the total aqueous content of the said system, of a composition which comprises amine adducts of maleic anhydride polymers and which may additionally include zinc.

Corrosion inhibition with amine adducts of maleic anhydride polymers

Improved cementing compositions and their use in cementing operations is disclosed, wherein copolymers of hydrolyzed acrylamide and 2-acrylamido-2-methylpropane sulfonic acid derivatives are used as fluid loss additives for aqueous hydraulic cement slurries.

Low fluid loss cementing compositions containing hydrolyzed

Aqueous hydraulic cement compositions containing polymaleic anhydride as a flow-property-improving and turbulence-inducing additive and their use in cementing wells is disclosed.

Well cementing method using cementing composition having improved flow

A method of inhibiting corrosion and scale formation in an aqueous system is disclosed which comprises the step of treating the said system with 0.1 to 500 parts per million by weight of the total aqueous content of the said system, of a composition which may additionally include zinc and which comprises a polymer selected from the group consisting of:

Scale inhibition and corrosion inhibition

Well cementing composition containing polymaleic anhydride and having

Aqueous hydraulic cement compositions containing polyamido-sulfonic compounds as flow-property-improving and turbulence-inducing additives and their use in cementing wells is disclosed.

Growing community of inventors

Boxford, MA, United States of America

Michael M Cook