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Intangible Assets, Net
12 Months Ended
Dec. 31, 2024
Intangible Assets, Net  
Intangible Assets, Net

6. Intangible Assets, Net

Intangible assets at December 31, 2024 and 2023 consists of the following:

Useful life

December 31,

  ​ ​ ​

  ​ ​ ​

2024

  ​ ​ ​

2023

Intellectual property rights

 

20 years

 

$

21,718

 

$

23,628

Patents and trademarks

 

20 years

865,682

884,720

Total

887,400

908,348

Less: Accumulated amortization

(270,428)

(242,240)

Total

 

$

616,972

 

$

666,108

Amortization expense relating to the intangible assets for the years ended December 31, 2024 and 2023 was approximately $50,176 and $35,478, respectively.

Estimated future amortization of intangibles is as follows:

Year ending December 31,

  ​ ​ ​

Amount

2025

 

$

70,488

2026

70,488

2027

70,488

2028

70,488

2029

70,488

Thereafter

264,532

 

$

616,972