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 Expert  727835

Expert in Viscometry, Instrumentation Design and Applications, Polymer Characterization and Processes

Available for your Consulting and Expert Witness Needs

Pennsylvania (PA)
Education Work HistoryPublicationsConsulting Services Expert Witness Market Research

Summary of Expertise:

Listed with other top experts in: 

Expert has extensive experience in characterization of materials and property measurements, especially those related to molecular weight, molecular architecture, and material composition. He has several patents in related areas (viscometers, HPLC detectors, Clinical analysis of Blood and vital fluids) and many publications in chromatography (GPC/SEC, GC, HPLC), dielectric spectrometry, particle size and distribution analysis. In addition to inventing a few measurement devices, he has developed many instruments and applications for them. He has also supported marketing activities in the area of laboratory and process instrumentation. He has work experience in marketing, technology assessment and development, product applications and development, and process control. He has worked independently and as a member of many interdisciplinary teams (usually chemical and electrical engineers, software applications personnel, physicists, and technical support people.

advanced process control


capillary rheometer


capillary rheometry




chromatography applications


chromatography data acquisition


chromatography data analysis


chromatography method development


fluid flow


fluid flow measurement


fluid rheology measurement


gel permeation chromatography


high-performance liquid chromatography


high-performance liquid chromatography detector


high-performance liquid chromatography troubleshooting


hot-melt adhesive


melt viscosity


molecular exclusion chromatography




polymer viscosity


qualitative chemical analysis


quantitative chemical analysis


shear rate


size-exclusion chromatography








viscosity measurement

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: Pittsburgh, Pennsylvania;  Akron, Ohio;  Youngstown, Ohio;  and Canton, Ohio.

Year   Degree   Subject   Institution  
1971   PhD   Analytical Organic Chemistry   Texas A&M  

Work History:
Years   Employer   Department   Title   Responsibilities

1998 to







He was a consultant and expertwitness. A portion of this period he was also a visiting professor at Ursinus College in Collegeville, Pa.

1966 to 2000


E I Dupont


Central Research and Engineering


Research Associate


Over the employment period he held various positions, all related to the field of measurements and instrumentation. He sold HPLC and Mass Spectrometers. He developed HPLC applications and the Dupont line of GPC/SEC instruments. He, with W W Yau invented the Viscometer detector widely used today in GPC/SEC analysis. He invented a particle size distribution analyser and worked with others to develop many clinical applications for it. He invented a unique viscometer for polymer melt monitoring, and found many other applications for it. He had wide experience and developed expertise in materials property measurement, process monitoring, and process trouble shooting in many assignments at Dupont.

Publications and Patents Summary

He has oer 50 publications and 10 patents. He has also written chapters in books.

Consulting Services:
Selected Consulting Examples:
  • He has served as an expert witness (>200 hrs) in patent litigation cases.
  • He has developed unique applications for custom instrumentation (food applications for dielectric spectrometry).
  • He designed a completely automated instrument for solution characterization of polymers.
Click the green button above to contact Expert for a free initial screening call regarding your expert consulting needs.  Expert is available for consulting to corporate, legal and government clients.  Remember, your initial screening call to speak with Expert is free.

Expert Witness:
Expert Witness Experience Summary:
Viscometry in federal court.
Click the green button above to contact Expert for a free initial screening call regarding expert testimony, litigation consulting and support, forensic services, or any related expert witness services.  A few litigation needs include product liability, personal injury, economic loss, intellectual property (patent, trademark, trade secret, copyright), and insurance matters.  Remember, your initial screening call to speak with Expert is free.

International Experience:
Years   Country / Region   Summary
1987 to 1989   Western Europe   He worked with plant and lab personnel in Germany and the Netherlands on lab measurements used for process control.
1991 to 1999   Canada   He worked with plant personnel developing and troubleshooting process control measurements.

Language Skills:
Foreign Language   Description
German   He has lived for short periods in Germany, during which he spoke German most of the time. His proficiency usually returns after returning to Germany for a short time.

Market Research:
His experience in marketing to the various instrumentation markets, coupled with his expertise in instrumentation development, has been a vary valuable asset in many instances.

Click the green button above to contact Expert for a free initial screening call regarding your marketing research, industry research, and company research needs.  For research needs involving multiple experts or secondary research, a Research Director can be assigned to coordinate the work into a custom report for you as a potentially quicker and more cost effective alternative to doing this work yourself or hiring a boutique consultancy.  Remember, your initial screening call to speak with Expert is free.

Additional Skills and Services:

Prepared and gave many training courses in US and Europe on the topis of HPLC Applications, High Performance and High Temperature GPC and SEC, and High Performance Viscometry (for Viscotek).

Supplier and Vendor Location and Selection

He has found and evaluated sources for instruments, sensors, software, etc. related to products he developed.

Other Skills and Services

He also has the mechanical and other practical skills to actually fabricate good working and attractive prototypes of devices. His breadth of experience encompasses such seemingly diverse areas as genomic analysis, electronic fuel injection systems, and automated chemical analysers.


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