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Cleansorb Limited

Also on record
Records under this name other than the patents Cleansorb Limited holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 10 patents it holds.

Showing 1 to 6 of 6 · Back to Cleansorb Limited

PatentTitleStatus Expires Confidence
US 8,657,008Process for treating underground formations
Term ended
Term ended Jul 11, 2025 · From the USPTO record
Term endedTerm ended Jul 11, 2025From the USPTO record
US 6,702,023Method for treatment of underground reservoirs
Term ended
Term ended Jan 29, 2022 · From the USPTO record
Term endedTerm ended Jan 29, 2022From the USPTO record
US 6,763,888Method for treatment of underground reservoirs
Term ended
Term ended Oct 31, 2021 · From the USPTO record
Term endedTerm ended Oct 31, 2021From the USPTO record
US 6,401,819Methods for deposition of materials in underground reservoirs
Term ended
Term ended Apr 28, 2020 · From the USPTO record
Term endedTerm ended Apr 28, 2020From the USPTO record
US 5,678,632Acidizing underground reservoirs
Term ended
Term ended no later than Oct 21, 2017 · Low confidence
Term endedTerm ended no later than Oct 21, 2017Low confidence
US 5,813,466Delayed acid for gel breaking
Term ended
Term ended no later than Sep 29, 2018 · Low confidence
Term endedTerm ended no later than Sep 29, 2018Low confidence
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