Polymer Chemist Expert in Photopolymers, UV Curing & 3D Additive Manufacturing
Technical Consultant #1454
Expertise
- Polymer chemistry, especially for graphic arts printing and coatings.
- Flexographic printing, specifically digitally imaged printing plates.
- Radiation curing technologies for 3D Additive Manufacturing.
- Expert in 3D Printing
- UV and electron beam (EB) curable inks.
- UV curable coatings and over print varnishes (OPV) for specialty applications.
- UV curable anti-microbial coatings for substrates and fabrics.
- Water-borne and Solvent-based coatings for various applications.
- Intellectual property Expert Witness.
Experience
Independent Consultant, 2005 to Present
Expert Witness/Expert Consultant
- Expert Concultant in all aspects of Polymer Chemistry dealing in Utility Patent Application Projects.
- Expert Consultant/Expert Witness in Patent Litigation matter in Flexographic Printing.
- Working knowledge of Inter Partes Review (IPR) and Post Grant Review (PGR) as it pertains to challending the validity of issued patents.
Printing
- 3D Printing (3D Additive Manufacturing)
- All aspects of digital (DTP) technologies for flexography.
- Photopolymers for flexographic printing.
- Micropreplication in graphic arts, IR ablative coatings, radiation cure technologies, screen printing, protective coatings and adhesives.
- ITR (In-the-Round) technologies for flexography printing.
- Elastomer technologies for direct laser engraving for flexography.
- Screen Printing
- Offset Lithographic Printing
- Gravure Printing
Micropreplication Applications In Graphic Arts
- Microreplicated surfaces for light manipulation in graphic arts applications.
- Light collimating articles for use in graphic arts imaging.
- Microreplicated photopolymer surfaces for improved image fidelity.
IR Ablative Coatings
- IR ablative masks based on carbon black for flexographic, lithographic and gravure applications.
- Transparent IR ablative coatings for laser marking.
Radiation Cure Technologies
- UV cure technologies for photopolymer printing plates.
- 100% solids UV and EB curable inks and over print varnishes.
- UV cure coatings and inks for Low energy difficult to adhere substrates (e.g. polyolefins).
- 100% solids UV curable anti-microbial coatings for various substrates and fabrics.
Coatings
- Water-borne specialty coatings for various substrates.
- Water-borne UV curable coatings for wood.
- Weather-proof water-oil repellent coatings for the architectural and anti-graffiti market.
- Water and oil repellent coatings / treatments for various fabrics and textiles.
Nanotechnology
- Metal oxide nanomaterial antimicrobial treatments for fabrics.
- Metal oxide nanomaterials for scratch and abrasion resistant coatings for glass, metal, wood, plastic and other substrates.
- Metal oxide nanomaterials for UV attenuation and protection of various substrates.
- Nanocomposite applications in printing.
Adhesives
- Water-borne polyurethane and acrylic dispersion adhesives for wood, film lamination, fabric-film composites for the graphic arts.
- UV curable pressure sensitive adhesives (PSA) for both temporary bond and permanent bond applications.
Macdermid Printing Solutions, Research Project Manager, Plates Division, 1995 - 2005
- Headed a number of critical research initiatives in digital and in-the-round (ITR) flexography, identifying several key technologies for continued growth of the flexographic market.
- Developed new patented technology leading to 5 commercial printing products for wood, plastic and other substrates.
- Metal oxide nanomaterials for UV attenuation and protection of various substrates.
- Nanocomposite applications in printing.
- Served as liaison for the corporation's patent attorneys for intellectual property protection and development.
W. R. Grace & Company, Research Chemist, Designed Polymers Research, 1990 - 1995
- Designed and developed several novel water-dispersible elastomer photopolymers using anionic polymerization, resulting in several patents.
- AT&T Bell Laboratories, post-doctoral member of the technical staff.
- Trained in microlithography, which laid the foundation for subsequent work in photopolymer chemistry. Initial work helped pave commercialization of AT&T Bell Laboratories' CAMP-6 photoresist.
Honors & Publications
Patents
- 36 U.S. patents/applications & 60+ European and PCT patents
Expert Witness
- To several major consulting projects.
Education
- Ph.D., Polymer Chemistry, University of Florida
- M.B.A., (Executive Program), Georgia State University
- B.Sc., Chemical Technology, Bombay University, Department of Chemical Technology (UDCT)