TEXAS UNITED CHEMICAL COMPANY, LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 294
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5253711 Process for decomposing polysaccharides in alkaline aqueous systemsMar 02, 92Oct 19, 93[E21B]
RE30230 Closed circuit method of circulating a substantially solid free drilling fluidJun 06, 77Mar 18, 80[C09K, E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0009,298 Ultra High Viscosity Pill and Methods for Use with An Oil-Based Drilling SystemAbandonedJul 09, 10Jan 13, 11[C09K]
2006/0116,295 Method of delaying the setting time of crosslinked lost circulation control pillsAbandonedNov 07, 05Jun 01, 06[C09K]
2006/0079,405 Well drilling and servicing fluids with magnesia bridging solids and methods of drilling, completing and working over a well therewithAbandonedOct 08, 04Apr 13, 06[C09K]
4822500 Saturated brine well treating fluids and additives thereforeExpiredFeb 29, 88Apr 18, 89[C09K, E21B]
4621692 Water soluble perforation packExpiredJun 27, 85Nov 11, 86[E21B]
4620596 Well drilling, workover and completion fluidsExpiredOct 31, 84Nov 04, 86[E21B]
4619776 Crosslinked fracturing fluidsExpiredAug 09, 85Oct 28, 86[E21B]
4369843 Well completion and work over methodExpiredFeb 03, 78Jan 25, 83[E21B]
4247402 Clay-free, thixotropic wellbore fluidExpiredMar 13, 78Jan 27, 81[C09K]
4192756 Anticaking of sodium chloride and potassium chlorideExpiredNov 13, 78Mar 11, 80[C01D]
4186803 Well completion and work over methodExpiredAug 30, 78Feb 05, 80[E21B]

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