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 |