Patent application number | Description | Published |
20130088683 | DISPOSABLE OPHTHALMIC/MEDICAL APPARATUS WITH TIMED COLOR CHANGE INDICATION - A disposable ophthalmic or medical apparatus has a portion with a color changeable dye disposed thereon. The dye changes color after being exposed to oxygen for a controlled and predetermined period of time indicating that the apparatus should no longer be used. | 04-11-2013 |
20130099263 | FULL SPECTRUM LED LIGHT SOURCE - A LED light source has a red, blue and green LED triad for generating a full spectrum of colored light that appears to be emanating from a point source. The LED triad is mounted in a CPC that is surrounded by a cylindrical reflector. | 04-25-2013 |
20130150785 | Color Changeable Dyes for Indicating Exposure, Methods of Making and Using Such Dyes, and Apparatuses Incorporating Such Dyes - According to embodiments of the present application, a color changeable dye can comprise a redox indicator, a reduction reaction initiator, an electron donor, an oxygen scavenger, an indicator barrier agent, a thickening agent and an agent to facilitate mixing. The color changeable dye is a first color in the presence of oxygen, capable of changing to a second color upon reduction in a substantially oxygen free environment, and capable of changing back to the first color after exposure to oxygen for a period of time corresponding to the intended use time of a disposable or limited use product. Methods of making and using the color changeable dye and apparatuses incorporating such dye are also disclosed. | 06-13-2013 |
20130192513 | DISPOSABLE OPHTHALMIC/MEDICAL APPARATUS WITH TIMED COLOR CHANGE INDICATION - A disposable ophthalmic or medical apparatus has a portion with a color changeable dye disposed thereon. The dye changes color after being exposed to oxygen for a controlled and predetermined period of time indicating that the apparatus should no longer be used. | 08-01-2013 |
20130269592 | APPARATUS WITH TIMED COLOR CHANGE INDICATION - An apparatus with time controlled color change indication comprises an apparatus includes a disposable, limited or restricted use product and an oxygen sensing color changeable dye disposed on a portion of the apparatus, the dye being translucent or having a first color upon application and for a defined time thereafter and the dye changing color after exposure to oxygen for the defined time. For example, a packaging for containing a product for human consumption has a portion with a color changeable dye disposed thereon. The dye changes color after being exposed to oxygen for a controlled and predetermined period of time indicating that the product for human consumption should no longer be consume or has decreased in freshness, quality of taste or potency. | 10-17-2013 |
20140134443 | COLOR CHANGEABLE DYES FOR INDICATING EXPOSURE, METHODS OF MAKING AND USING SUCH DYES AND APPARATUSES INCORPORATING SUCH DYES - According to embodiments of the present application, a color changeable dye can comprise a redox indicator, a reduction reaction initiator, an electron donor, an oxygen scavenger, an indicator barrier agent, a thickening agent and an agent to facilitate mixing. The color changeable dye is a first color in the presence of oxygen, capable of changing to a second color upon reduction in a substantially oxygen free environment, and capable of changing back to the first color after exposure to oxygen for a period of time corresponding to the intended use time of a disposable or limited use product. Methods of making and using the color changeable dye and apparatuses incorporating such dye are also disclosed. | 05-15-2014 |
20150346172 | APPARATUS WITH TIMED COLOR CHANGE INDICATION - An apparatus with time controlled color change indication comprises an apparatus includes a disposable, limited or restricted use product and an oxygen sensing color changeable dye disposed on a portion of the apparatus, the dye being translucent or having a first color upon application and for a defined time thereafter and the dye changing color after exposure to oxygen for the defined time. For example, a packaging for containing a product for human consumption has a portion with a color changeable dye disposed thereon. The dye changes color after being exposed to oxygen for a controlled and predetermined period of time indicating that the product for human consumption should no longer be consume or has decreased in freshness, quality of taste or potency. | 12-03-2015 |
20150377657 | DISPOSABLE OPHTHALMIC/MEDICAL APPARATUS WITH TIMED COLOR CHANGE INDICATION - A disposable ophthalmic or medical apparatus has a portion with a color changeable dye disposed thereon. The dye changes color after being exposed to oxygen for a controlled and predetermined period of time indicating that the apparatus should no longer be used. | 12-31-2015 |