Our Patents

Periodic Products currently holds seven United States patents and 36 international patents for its technologies. We strive to continually apply smarter science to help solve global environmental and critical material supply issues.

US Patents Granted

US Patent and Trademark Office (USPTO) issued patent number 8,835,586
US Patent and Trademark Office (USPTO) issued patent number 8,519,075 B2
US Patent and Trademark Office (USPTO) issued patent number 8,420,757
US Patent and Trademark Office (USPTO) issued patent number 7,964,688
US Patent and Trademark Office (USPTO) issued patent number 6,567,214 B2
US Patent and Trademark Office (USPTO) issued patent number 6,239,906 B1
US Patent and Trademark Office (USPTO) issued patent number 5,812,312

International Patents Granted

Argentina Patent No. AR 077300 B1
Australia Patent No. 2008334043 Australia Patent No.
Canada Patent No. 2,645,283,
Canada Patent No. 2,764,893,
Chinese Patent No. ZL200880118214 Chinese Patent No. ZL201080029231.5
European Patent No. 2215140:

  • France Patent No. FR2215140
  • Germany Patent No. DE2215140; 602008036698.7
  • Great Britain Patent No. GB2215140
  • Italy Patent No. IT2215140
  • Hong Kong Patent No. HK1149775

India Patent No. 275563
Indonesian Deeds of Letters Patent Number P003301
Israel Patent No. 206010
Japanese Patent No. 5475677
Japanese Patent No. 5639166
Mexican Letters Patent Number 300327 Mexican Letters Patent Number
New Zealand Patent Number 585249
Philippines Patent No. 1-2020-501053
Republic of Armenia Patent No. AM022914
Republic of Kazakhstan Patent No. KZ022914
Russian Federation Patent No. RU022914
Singapore Patent Number 161396
South Africa Patent Number 2010/02988
South Korea Patent No. 10-1621954,
Taiwan, Republic of China (ROC) No. I-495661
Vietnamese Patent No.