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 Expert  107729

Expert in Absorbent Technology

Available for your Consulting and Expert Witness Needs

New Jersey (NJ)
Education Work History Career AccomplishmentsPublicationsConsulting Services Expert Witness

Summary of Expertise: Listed with other top experts in: 
Expert has spent over 25 years with Johnson & Johnson Co. developing new materials for absorbent products. He also managed a diversified group in one of the divisions of Johnson & Johnson responsible for R&D and pilot plant development of absorbent materials. He has 20 US patents in the area and wrote several articles and book chapters on the subject. A book entitled "Absorbency," edited by PK, has worldwide circulation.

While working with Johnson & Johnson, Expert had optimized the properties of fluff pulp and was recognized as an expert in the area. Optimum grinding conditions, fluff pulp processing machinery, modifications, application, characterization, testing, and specification of pulp were his field of expertise. Expert also developed a few unique characterization procedures that were published in technical journals.

Expert is recognized worldwide as an authority on the subject of water and body fluid absorption. His book entitled "ABSORBENCY" is only one of its kind in the world. He is heavily engaged in consulting in this field, which includes absorbent materials as well as composite structures. He developed and patented new materials based on his own concepts of absorbency phenomena. He has also developed new absorbency test procedures and published several articles on the subject.

Expert is one of the pioneering scientists in the field of superabsorbent materials. He has over 20 US patents in the area. One of his inventions related to superabsorbency resulted in the establishment of a new superabsorbent commercial products plant. He has published articles and chapters in the area of superabsorbency and lectured worldwide. Expert had been deeply involved in the development of superabsorbents as well as their applications in feminine hygiene, diaper, and incontinence products for over 25 years.

Cellulose fiber, its modification and applications have been the focus of Expert's career. He has received many patents and awards of excellence and has authored technical publications in the field. He has written several chapters in books on the modification, characterization, and application of cellulosic materials.

For over 25 years Expert had been deeply involved in the development of absorbent products and materials. He directed a group of scientists and engineers whose primary responsibility was to develop unique materials for a variety of feminine care and incontinence products. The materials he worked with included fibrous composites, new fibers and polymers, foam, superabsorbents, nonwovens, pressure sensitive adhesives, and others.

Expert has served as an expert consultant for the United Nations on natural fibers for several years. He has concentrated especially on jute fiber and traveled throughout Asian countries to assist in developing new technologies. He also developed nonwoven materials with jute fiber, which is now being commercialized. Recently, Expert was engaged in consulting on the development of jute-polymer composites for automobile parts, insulation, and cushions. He can answer in-depth questions on flax, sisal, and bast fibers.

Expert is intimately familiar with nonwovens and had worked closely with the nonwoven division of Johnson & Johnson for 10 years. He developed nonwoven materials with special characteristics for applications in the automotive industry and for household and health care products.

Expert has extensive experience in defiberizing pulp board using hammermill, disc refiner, and attrition mill techniques.


absorbent material


absorbent powder




absorption application


fluid absorption


industrial absorbent


absorbent technology


pulp processing


water absorption


water permeability


water-absorbent material


superabsorbent material


superabsorbent polymer




cellulose fiber


cellulose modification


cellulosic pulp


cellulose chemistry




feminine care product


feminine tampon


sanitary napkin




personal care product


baby personal care product


cotton fiber


jute fiber




natural fiber


plant fiber


nonwoven fiber processing




fiber modification

Show Secondary and Basic Areas of Expertise
Expert may consult nationally and internationally, and is also local to the following cities: New York, New York;  Yonkers, New York;  Newark, New Jersey;  Jersey City, New Jersey;  Paterson, New Jersey;  Elizabeth, New Jersey;  Bridgeport, Connecticut;  New Haven, Connecticut;  Stamford, Connecticut;  and Philadelphia, Pennsylvania.

Often requested
with this expert:

Absorbent Materials and Systems for Personal Hygiene
Baby Diapers, Non-Woven, Absorbent Products, Films, Wipes,...
Absorbent Products, Materials Technology, New Product...
Absorbent Composites, Superabsorbents, Product Development,...

Year   Degree   Subject   Institution  
1974   D.Sc.   Chemistry   Calcutta University, India  
1962   Ph.D.   Applied Chemistry   Calcutta University, India  
1958   M.S.   Chemistry   Banaras H. University, India  

Work History:
Years   Employer   Department   Title   Responsibilities

2006 to







Providing scientific and management services to new and innovative businesses

1993 to 2005


Nutech International Co. / PKC, Inc





Expert provided consulting services on absorbent technology.

1965 to 1993


Johnson & Johnson


Personal Products, Absorbent Technology


Manager, Research Fellow


While with J&J for nearly 30 years, Expert was Research Fellow (Senior Technology Management) Manager and also the Material Science Department Senior Research Chemist/Group Leader.

1963 to 1966


USDA and Princeton University



Post Doctoral Researcher


He was involved with cellulose and polymer research.

Career Accomplishments:

A Fellow of the American Institute of Chemistry, Expert is also a member of ACS, TAPPI, the Fiber Society, and other professional associations.


Expert achieved the highest independent research degree (DSc) from Calcutta University. He received the Research and Development Excellence Award Medal from Johnson and Johnson as well as its Distinguished Lecturer Award.

Publications and Patents Summary

Expert has over 25 U.S. patents issued worldwide, over 50 scientific publications, one published book on absorbency and another in the process.

Selected Publications and Publishers  
 - Elsevier Science  
 - John Wiley and Sons  
 - Journal of Macromolecular Science, Part A: Chemistry  
 - Marcel Dekker  

Government Experience:
Years   Agency   Role   Description
1963 to 1965   U.S. Department of Agriculture   Research Scientist   Expert did pioneering research on cellulose chemistry (heterogeneous chemical reaction kinetics and cellulose pyrolysis kinetics) for the USDA.

Consulting Services:
Selected Consulting Examples:
  • Expert has provided technical consulting to research and development of many industries and government laboratories worldwide.
Recent Client Requests:
  • Expert in biodegradable diapers.
  • Expert in absorbent polymers.
  • Expert in Forum on wipes manufacture.
  • Expert on current trends, drivers and performance requirments pertinate to use of superabsorbent materials.
  • Non wood pulping expert for consulting on Fluff pulp processing.
  • Expert diaper manufacturing for consulting on sourcing of RM/PM and manufacturing process and controls.
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:
Recent Litigation Client Requests:
  • Expert for consulting on absorbtion of semenal fluids into a car seat.
  • Expert for consulting on use of adult diapers.
  • Material science expert testimony for consulting on armor plating and chemical composition of same.
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
1990 to 1999   Canada, Sweden, France, India, Central America   Over a nearly 10-year period, Expert did independent consulting on the research and development of absorbent products and their components in Canada and Europe. He also consulted in India and Central America as a United Nations expert consultant.

Language Skills:
Foreign Language   Description
Hindi   Expert is fluent in Hindi. (He has conducted business in India and Bangladesh, among other countries.)
Bengali   Expert is fluent in Bengali. (He has conducted business in India and Bangladesh, among other countries.)

Additional Skills and Services:

Expert is willing to provide training and seminars in the areas of disposable absorbent products, superabsorbents, and other materials for absorbent products including wood pulp, cotton, and natural fibers.

Supplier and Vendor Location and Selection

Expert has experience locating vendors of wood pulp, fluff pulp, diaper material,feminine care products,natural fibers, jute, nonwoven material, and superabsorbent material.


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