Nocopi Technologies, Inc. announced earnings results for the second quarter ended June 30, 2021. For the second quarter, the company announced total revenue was USD 513,900 compared to USD 627,300 a year ago. Operating income was USD 42,400 compared to USD 73,600 a year ago. Net income was USD 42,500 compared to USD 70,800 a year ago. For the half year, total revenue was USD 1.125 million compared to USD 1.147 million a year ago. Operating income was USD 160,300 compared to USD 77,800 a year ago. Net income was USD 157,300 compared to USD 123,400 a year ago.