The Patent Finder

Diatec Polymers

Also on record
Records under this name other than patents Diatec Polymers holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 7 of 7 · Back to Diatec Polymers

PatentTitleStatus Expires Confidence
US 4,529,794Method of rapidly dissolving polymers in water
Term ended
Term ended no later than Jul 16, 2005 · Low confidence
Term endedTerm ended no later than Jul 16, 2005Low confidence
US 4,603,156Method of dispersing dry, water-soluble polymers in water
Term ended
Term ended no later than Jul 29, 2006 · Low confidence
Term endedTerm ended no later than Jul 29, 2006Low confidence
US 4,640,622Dispersion of dry polymers into water
Term ended
Term ended no later than Feb 3, 2007 · Low confidence
Term endedTerm ended no later than Feb 3, 2007Low confidence
US 4,845,192Method of rapidly dissolving polymer gels in water
Term ended
Term ended no later than Jul 4, 2009 · Low confidence
Term endedTerm ended no later than Jul 4, 2009Low confidence
US 4,874,588Method and apparatus for rapidly dissolving polymers in water
Term ended
Term ended no later than Oct 17, 2009 · Low confidence
Term endedTerm ended no later than Oct 17, 2009Low confidence
US 5,342,539Polyacrylamide-phosphonate flocculants and methods of making
Term ended
Term ended no later than Aug 30, 2014 · Low confidence
Term endedTerm ended no later than Aug 30, 2014Low confidence
US 5,393,436Method of water treatment using polyacrylamide-phosphonate flocculants
Term ended
Term ended no later than Feb 28, 2015 · Low confidence
Term endedTerm ended no later than Feb 28, 2015Low confidence
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited