Mark A Litman: Antiforgery security system. Aveka, Schwegman Lundberg Woessner & Kluth P A, November 23, 1999: US05988500 (67 worldwide citation)

Elongated magnetic elements can be inserted into items to provide readable magnetic patterns which provide reproducible or unique signal patterns to identify or authenticate the items. Magnetic fibers may be distributed within items or magnetic strips to provide reproducible patterns when read. The ...

Mark A Litman: Transactional item with non-parallel magnetic elements. Aveka, Schwegman Lundberg Woessner & Kluth P A, November 10, 1998: US05834748 (61 worldwide citation)

Transactional items such as currency, credit cards, identification cards and the like can be provided with enhanced difficulty to forge or counterfeit by the inclusion of magnetic elements within the transactional item. The signal strength, period, amplitude and/or alignment of the magnetic field ma ...

Mark A Litman: Antiforgery security system. Aveka, Schwegman Lundberg Woessner and Kluth, April 25, 2000: US06053406 (46 worldwide citation)

Security may be enhanced for any magnetically readable system that may be applied or built into items, such as apparel, credit cards, currency, identification cards, or other transactional items. These and similar items, with informational content that can be varied may be used in systems for authen ...

Monica A Hamer, James J Marti, William A Hendrickson: Particulate encapsulation of liquid beads. Aveka, Mark A Litman & Assoc P A, July 2, 2002: US06413548 (21 worldwide citation)

Various materials, including generally non-compatible materials may be provided from a single delivery system by a unique encapsulation system. An encapsulation system is advantageously constructed as a core of aqueous liquid having at least 5% by weight water therein, and an encapsulant surrounding ...

Gary A Pozarnsky, William A Hendrickson, Brian J Walker: Process for the manufacture of nanoparticle organic pigments. Aveka, Mark A Litman & Associates P A, January 4, 2005: US06837918 (19 worldwide citation)

A process and apparatus collects pigment nanoparticles by forming a vapor of a pigment that is solid at room temperature, the vapor of the pigment being provided in an inert gaseous carrying medium. At least some of the pigment is solidified within the gaseous stream. The gaseous stream and pigment ...

William A Hendrickson, James Abbott: Process for applying liquid coatings to solid particulate substrates. Aveka, Schwegman Lundberg Woessner & Kluth P A, October 5, 1999: US05962082 (19 worldwide citation)

The present invention provides a process for adhering a liquid to a particulate substrate. The process comprises the steps of:

Monica A Hamer, William A Hendrickson, Gordon R Pryor: Organogel particles. Aveka, Mark A Litman & Associates P A, February 22, 2005: US06858666 (14 worldwide citation)

A method forms self-sustaining particles that comprise a hydrophobic (oleophilic) phase in particulate form, with no need for a rigid shell to encapsulate the phase, and usually with no shell present. The oleophilic phase contains a gelation agent, and preferably an organogelation agent. The particl ...

William A Hendrickson, John Anderson, Monica A Hamer, Peter Lentz, Joe Rechtiene: Process for sizing particles and producing particles separated into size distributions. Aveka, Mark A Litman & Associates P A, July 3, 2007: US07237679 (12 worldwide citation)

A process for separating particles of different sizes comprising projecting a stream of particles into a fluid medium; allowing the particles to develop differing trajectories in the fluid medium; providing at least two separate collection areas for different average size particles from the stream o ...

William A Hendrickson, James J Marti: Multilayer pigments and their manufacture. Aveka, Schwegman Lundberg Woessner & Kluth P A, October 31, 2000: US06139613 (9 worldwide citation)

The present invention describes a novel method for the formation of optically variant pigments by the coating of layers onto a substrate and the fracturing of the coated material into pigment particles after the coating operation and novel pigments produced thereby. Coating techniques such as slot d ...

Dee Lynn Johnson, William A Hendrickson: Anti-immunoresponsive polymeric material and its use in biological applications. Aveka, Techmatch, Schwegman Lundberg Woessner & Kluth P A, June 6, 2000: US06071981 (6 worldwide citation)

A polymer composition comprising an anticoagulant carried in a water soluble polymer hydrogen bonded to a cellulose polymer. The composition is useful as sutures, implantable material, temporary grafts, vasculature connections and the like. The composition can be prepared by a method comprising the ...