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Physical Organic Chemist Expert: Plant Scale Up, (Organic Compounds, Polymers-Lab Synthesis-Specialty Polymers and Monomers)

Technical Consultant #2073


Expertise

  • Free radical polymer synthesis including emulsion, solution, bulk, suspension, ATRP (Atom-Transfer Radical-Polymerization).
  • Condensation polymer synthesis including polyesters, nylon, polyethers (Ullmann synthesis).
  • Small molecule organic synthesis (1-4 steps) with emphasis on acrylic and methacrylic monomers.
  • Characterization of organic molecules using standard techniques such as NMR, IR, UV/Vis, mass spectrometry.
  • Characterization of polymers using standard techniques such as HPLC, TGA, DSC, and viscosities.
  • Isolation and purification of polymers.
  • Kinetics studies to elucidate reaction mechanisms and determine important reaction parameters.
  • Experimental designs and statistical analyses.

Experience

Independent Consultant, 1999 - Present

Projects

  • Benz Research and Development: Designing synthesis lab which includes lining up suppliers and subcontractors. Identifying contract labs to synthesize monomers for their lens business.
  • Saved $60 thousand in charges over previous lab that they were using.
  • Abbey Color: Resolved various technical and process questions concerning their dye business and re-write material safety data sheets.
  • Cytosorbents: Designed and synthesized various polymers to be used to treat hyperphosphatemia.
  • LonzaGroup: Development of new biocides.
  • Church and Dwight: Conducted formulation studies on new consumer product.

Polysciences, Warrington, PA, Custom Synthesis Group Leader, 2003 - 2012

  • Responsible for developing synthetic procedures and processes for the manufacture of organic molecules and polymers for pharmaceutical and ophthalmological applications.
  • Developed process and manufactured a number of batches of a polymeric delivery system for chemotherapeutic compound.
  • Optimized process for a blue blocker monomer used in intraocular lenses.
  • Reduced manufacturing cost by more than 50%.
  • Designed and synthesized a series of monomers for ophthalmological applications.
  • Co-developed the synthetic procedure and supervised the manufacturing team for a specialty monomer for one of our customers.
  • Safety committee chairman responsible for the company safety program.
  • Developed product including synthetic procedure for a material used in diabetes test strips.

Abbey Color, Philadelphia, PA, Technical Director, 2000 - 2003

  • Directed staff in conducting all quality control work within the company.
  • Developed process and scaled up manufacturing procedure for new dye.
  • Did trouble shooting for plant manufacturing problems.
  • Revised SOP and did validation runs for a USP product.
  • Conducted lab studies on the purification of tannin.

Rohm and Haas, Philadelphia, PA, 1975 - 1999

Lead Chemist, Biocides

  • Developed manufacturing process for new isothiazolone biocide and scaled up at three different plant locations.
  • Project team leader for isolating causes of color problems with isothiazolone products.
  • Conducted extensive studies on the thermal dissociation of isothiazolone hydrochloride as an isolation method.

Group Leader, Polymer Process Research

  • Directed a process group in the scale up of polymeric additives for PVC, (Polyvinyl Chloride).
  • Developed data base for the preparation and incorporation of thermal oxidative stabilizers in budadiene/styrene modifiers for PVC..

Senior Chemist, Modifiers

  • Conducted laboratory studies to resolve plant quality issues.
  • Became organoleptic expert for modifiers in PVC water bottles.

Diamond Shamrock, Baltimore, MD, Plant Development Chemist, 1969 - 1971

  • Scaled up a number of products in the Baltimore plant.

Honors & Publications


Languages

  • French: reading knowledge

Academic and Professional Affiliations

  • American Chemical Society
  • American Association for the Advancement of Science

Awards

Four research awards from Rohm and Haas

  • Organoleptics
  • Presenting a paper at Antec
  • Resolving a very complex process problem
  • Thermal dissociation studies

Publications and Patents

  • Author of educational text, articles in peer reviewed journals and conference subject matters
  • 2 U.S. patents.

Education

  • Ph.D. Physical Organic Chemistry, Johns Hopkins University, Baltimore, MD
  • B.A. Chemistry, Johns Hopkins University, Baltimore, MD
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