We have extensive patents covering the intellectual property of indicator technology in the fields of medical devices, pharmacy, consumable health products, cosmetics and the food & beverage industry. Our engineering team strives constantly for new concepts and applications, so the patent portfolio continues to expand. Issued patents in the USA and elsewhere are shown in the tables below. Further patents are pending.

U.S. AND FOREIGN PATENTS AND PATENT APPLICATIONS

 

PATENT OR PUBLICATION NO. TITLE ISSUE DATE
9,810,671 APPARATUS WITH TIMED COLOR CHANGE INDICATION 7-Nov-17
9,752,902 APPARATUS WITH TIMED COLOR CHANGE INDICATION 5-Sep-17
9,746,421 APPARATUSES, INDICATORS, METHODS AND KITS WITH TIMED COLOR CHANGE INDICATION 29-Aug-17
9,486,591 COLOR CHANGEABLE DYES FOR INDICATING EXPOSURE, METHODS OF MAKING AND USING SUCH DYES AND APPARATUSES INCORPORATING SUCH DYES 8-Nov-16
9,163,961 DISPOSABLE OPHTHALMIC MEDICAL APPARATUS WITH TIMED COLOR CHANGE INDICATION 20-Oct-15
9,134,285 APPARATUS WITH TIMED COLOR CHANGE INDICATION 15-Sep-15
8,702,237 DISPOSABLE OPHTHALMIC MEDICAL APPARATUS WITH TIMED COLOR CHANGE INDICATION 22-Apr-14
8,663,998 COLOR CHANGEABLE DYES FOR INDICATING EXPOSURE, METHODS OF MAKING AND USING SUCH DYES AND APPARATUSES INCORPORATING SUCH DYES 4-Mar-14
8,388,131 DISPOSABLE OPHTHALMIC MEDICAL APPARATUS WITH TIMED COLOR CHANGE INDICATION 5-Mar-13
6,851,808 DISPOSABLE OPTHALMIC LENS 8-Feb-05
2015/0346513 CARBON DIOXIDE SENSING COLOR CHANGEABLE DYES FOR INDICATING EXPOSURE, METHODS OF MAKING AND USING SUCH DYES, AND APPARATUSES INCORPORATING SUCH DYE
2017/0322163 APPARATUSES, INDICATORS, METHODS AND KITS WITH TIMED COLOR CHANGE INDICATION
EP 2086391 DISPOSABLE OPHTHALMIC MEDICAL APPARATUS WITH TIMED COLOR CHANGE INDICATION 7-May-14
EP 1453416 DISPOSABLE OPTHALMIC LENS 26-Jan-11
EP 3049135
(WO 2015/048138)
APPARATUSES, INDICATORS, METHODS AND KITS WITH TIMED COLOR CHANGE INDICATION (EP, IN, JP)
EP 2787876
(WO2013/0185655)
COLOR CHANGEABLE DYES FOR INDICATING EXPOSURE, METHODS OF MAKING AND USING SUCH DYES AND APPARATUSES INCORPORATING SUCH DYES (EP, IN, JP)
EP 2767218 DISPOSABLE OPHTHALMIC MEDICAL APPARATUS WITH TIMED COLOR CHANGE INDICATION (EP, IN, JP)
EP 3149456
WO2015/184093
CARBON DIOXIDE SENSING COLOR CHANGEABLE DYES FOR INDICATING EXPOSURE, METHODS OF MAKING AND USING SUCH DYES, AND APPARATUSES INCORPORATING SUCH DYE (EP, IN, JP)
EP 3330707
(WO2017/14034661)
COLOR CHANGING SENSOR COMPRISING GAS-CONTAINING SUBSTRATE DISPOSED ON COLOR CHANGE INDICATOR AND APPARATUSES COMPRISING SUCH SENSORS (EP, IN)
JP 6537106 COLOR CHANGEABLE DYES FOR INDICATING EXPOSURE, METHODS OF MAKING AND USING SUCH DYES AND APPARATUSES INCORPORATING SUCH DYES 22-Jun-18