OFPG

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

  • No Technology to Display

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

  • No Recent Patents to Display

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5013462 Method for improving production of viscous crude oilExpiredMar 07, 90May 07, 91[E21B]
4821802 Aqueous sulfomethylated melamine gel-forming compositions and methods of useExpiredSep 01, 88Apr 18, 89[E21B]
4782900 Aminoalkylated polyacrylamide aldehyde gels, their preparation and use in oil recoveryExpiredApr 24, 87Nov 08, 88[E21B]
4772641 Aqueous sulfomethylated melamine gel-forming compositionsExpiredJun 20, 85Sep 20, 88[C08G, E21B]
4757833 Method for improving production of viscous crude oilExpiredMay 08, 87Jul 19, 88[F17D, B01F]
4708974 Enhanced hydrocarbon recovery by permeability modification with phenolic gelsExpiredOct 01, 84Nov 24, 87[C09K, E02C, C08L]
4707281 Drilling fluid additive containing high pyruvate xanthanExpiredJun 03, 85Nov 17, 87[C09K]
4639322 Biopolymer compositions having enhanced filterabilityExpiredAug 27, 84Jan 27, 87[E21B]
4466889 Polyvalent metal ion chelating agents for xanthan solutionsExpiredAug 20, 81Aug 21, 84[]
4406798 Surfactant enhanced injectivity of xanthan mobility control solutions for tertiary oil recoveryExpiredAug 24, 81Sep 27, 83[E21B]
4352741 Xanthomonas biopolymer for use in displacement of oil from partially depleted reservoirsExpiredJun 02, 81Oct 05, 82[E21B]
4340678 Xanthomonas biopolymer for use in displacement of oil from partially depleted reservoirsExpiredJan 05, 81Jul 20, 82[C12R, C12P, C12N]
4296203 Xanthomonas bipolymer for use in displacement of oil from partially depleted reservoirsExpiredNov 15, 77Oct 20, 81[C12R, C12P, C12N]
4282321 Fermentation process for production of xanthanExpiredOct 09, 79Aug 04, 81[C12R, C12P]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.