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
10,324,042 APPARATUSES, INDICATORS, METHODS AND KITS WITH TIMED COLOR CHANGE INDICATION 18-Jun-19
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
2019/0292421 COLOR CHANGE ADHESIVES AND METHODS OF MAKING SUCH ADHESIVES
2015/0346513 CARBON DIOXIDE SENSING COLOR CHANGEABLE DYES FOR INDICATING EXPOSURE, METHODS OF MAKING AND USING SUCH DYES, AND APPARATUSES INCORPORATING SUCH DYE
2018/0104017 COLOR SENSOR WITH GAS GENERATING LAYER
2019/0170714 MELTABLE COLOR CHANGEABLE INDICATORS WITH ORGANIC POLYMER CORES AND METHODS OF MAKING SUCH MELTABLE INDICATORS AND COMPOSITES THEREOF
EP 1453416 DISPOSABLE OPTHALMIC LENS 26-Jan-11
WO 2019/113148 MELTABLE COLOR CHANGEABLE INDICATORS WITH ORGANIC POLYMER CORES AND METHODS OF MAKING SUCH MELTABLE INDICATORS AND COMPOSITES THEREOF
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)
IN 16/2018 COLOR SENSOR WITH GAS GENERATING LAYER
IN 34/2016 APPARATUSES, INDICATORS, METHODS AND KITS WITH TIMED COLOR CHANGE INDICATION
IN 08/2017 CARBON DIOXIDE SENSING COLOR CHANGEABLE DYES FOR INDICATING EXPOSURE, METHODS OF MAKING AND USING SUCH DYES
JP 6537106 COLOR CHANGEABLE DYES FOR INDICATING EXPOSURE, METHODS OF MAKING AND USING SUCH DYES AND APPARATUSES INCORPORATING SUCH DYES 22-Jun-18
JP 2016-537441 APPARATUSES, INDICATORS, METHODS AND KITS WITH TIMED COLOR CHANGE INDICATION ALLOWED