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Rhone-Progil

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Records under this name other than patents Rhone-Progil holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 3,931,290Preparation of carboxylic acid alkyl esters
Term ended
Term ended no later than Jan 6, 1996 · Low confidence
Term endedTerm ended no later than Jan 6, 1996Low confidence
US 3,932,595Process of manufacturing carbon bisulfide
Term ended
Term ended no later than Jan 13, 1996 · Low confidence
Term endedTerm ended no later than Jan 13, 1996Low confidence
US 3,933,124Artificial habitats
Term ended
Term ended no later than Jan 20, 1996 · Low confidence
Term endedTerm ended no later than Jan 20, 1996Low confidence
US 3,933,630Purification of waste water containing phthalic esters
Term ended
Term ended no later than Jan 20, 1996 · Low confidence
Term endedTerm ended no later than Jan 20, 1996Low confidence
US 3,933,776Bulk polymerization of vinyl chloride
Term ended
Term ended no later than Jan 20, 1996 · Low confidence
Term endedTerm ended no later than Jan 20, 1996Low confidence
US 3,935,286Process for reducing the amount of trichloroethylene in 1,2-dichloroethane
Term ended
Term ended no later than Jan 27, 1996 · Low confidence
Term endedTerm ended no later than Jan 27, 1996Low confidence
US 3,936,480Additives for improving the dispersing properties of lubricating oil
Term ended
Term ended no later than Feb 3, 1996 · Low confidence
Term endedTerm ended no later than Feb 3, 1996Low confidence
US 3,947,476Process for the continuous preparation of propylene oxide
Term ended
Term ended no later than Mar 30, 1996 · Low confidence
Term endedTerm ended no later than Mar 30, 1996Low confidence
US 3,947,508Removal of HCl by distilling a vinyl chloride feed in solution with an alcohol
Term ended
Term ended no later than Mar 30, 1996 · Low confidence
Term endedTerm ended no later than Mar 30, 1996Low confidence
US 3,948,843Additives for oils
Term ended
Term ended no later than Apr 6, 1996 · Low confidence
Term endedTerm ended no later than Apr 6, 1996Low confidence
10 of 53 patents shown.
Pro members see all 53.
Pro members: see all 53 patents
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