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INTANGIBLE ASSETS | 12 Months Ended
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Dec. 31, 2021
INTANGIBLE ASSETS |
6. INTANGIBLE ASSETS | NOTE 6. INTANGIBLE ASSETS Intangible assets consist of patents and trademarks related to our Binary Ionization Technology. We amortize the patents over the estimated remaining lives of the related patents. The trademarks have an indefinite life. Amortization expense was $11,406 and $377,237 for the years ended December 31, 2021 and 2020, respectively. Definite life intangible assets consist of the following:
|  | December 31, 2021 |  |  | December 31, 2020 |
Intellectual Property and Patents |  | $ | 3,065,584 |  |  | $ | 3,000,012 |
Less: Accumulated Amortization |  |  | 2,868,397 |  |  |  | 2,856,991 |
Patents, net |  | $ | 197,187 |  |  | $ | 143,021 |
Indefinite life intangible assets consist of the following:
Trademarks |  |  | 759,097 |  |  |  | 578,895 |
Total Intangible Assets, net |  | $ | 956,284 |  |  | $ | 722,916 |
Approximate future amortization is as follows: Approximate future amortization is as follows:
Year Ended: |  | Amount |
December 31, 2022 |  |  | 10,000 |
December 31, 2023 |  |  | 10,000 |
December 31, 2024 |  |  | 10,000 |
December 31, 2025 |  |  | 10,000 |
December 31, 2026 |  |  | 10,000 |
Thereafter |  |  | 147,000 |
|  | $ | 197,000 |

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