U.S. Patents Awarded to Inventors in Delaware (April 28) - Targeted News Service (subscription)

U.S. Patents Awarded to Inventors in Delaware (April 28) Targeted News Service (subscription) In one process, continuous chitosan film is prepared by casting a chitosan solution directly onto a substrate that will be incorporated along with the film into a laminate. Alternatively, the chitosan solution is cast onto a work device (for example, ... and more »

Making polyurethanes more biocompatibility for medical use - urethanes-technology-international (subscription)

Making polyurethanes more biocompatibility for medical use urethanes-technology-international (subscription) The paper 'Hemocompatibility evaluation of polyurethane film with surface-grafted poly(ethylene glycol) and carboxymethyl-chitosan, by Ren et al, describes first chemically grafting polyethylene glycol (PEG) onto the polyurethane, then in a second ...

U.S. Patents Awarded to Inventors in Washington (May 5) - Targeted News Service (subscription)

U.S. Patents Awarded to Inventors in Washington (May 5) Targeted News Service (subscription) The abstract of the patent published by the US Patent and Trademark Office states: "A method of forming a label includes providing a semi-opaque or transparent film, disposing an ink receptive coating on at least one side of the semi-opaque or ... and more »