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| Number | Title | Issue Date |
| 8424619 | Drilling fluid This invention is based upon the finding that certain chlorosulfonated α-olefin copolymers can be beneficially utilized in drilling fluids that are utilized in drilling subterreanean wells. For instance, it has been unexpectedly found that certain chlorosulfonated ... | 04/23/2013 |
| 7998905 | Drilling fluid containing chlorosulfonated alpha-olefin copolymers This invention is based upon the finding that certain chlorosulfonated α-olefin copolymers can be beneficially utilized in drilling fluids that are utilized in drilling subterreanean wells. For instance, it has been unexpectedly found that certain chlorosulfonated ... | 08/16/2011 |
| 7973104 | Rubbery core/shell polymer with improved heat and UV resistance The present invention relates to rubbery core/shell polymers that have improved heat and ultraviolet light resistance. These polymers can be blended with thermoplastics to make leathery compositions. The core/shell polymers of this invention have an inner core and a... | 07/05/2011 |
| 7449430 | Fluid loss reducer for high temperature high pressure water based-mud application The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as a fluid loss reducer. The subject invention further r... | 11/11/2008 |
| 7417091 | Polymer binder for intumescent coatings The present invention discloses a copolymer composition for use in or as a polymeric binder in an intumescent coating, said copolymer composition comprising a blend of a Newtonian copolymer and of a reticulated copolymer, wherein the Newtonian copolymer is comprised... | 08/26/2008 |
| 7288588 | Polymer binder for intumescent coatings The present invention discloses a copolymer composition for use in or as a polymeric binder in an intumescent coating, said copolymer composition comprising a blend of a Newtonian copolymer and of a reticulated copolymer, wherein the Newtonian copolymer is comprised... | 10/30/2007 |
| 7256159 | Fluid loss reducer for high temperature high pressure water based-mud application The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as a fluid loss reducer. The subject invention further r... | 08/14/2007 |
| 7105605 | Polymer binder for intumescent coatings The present invention discloses a copolymer composition for use in or as a polymeric binder in an intumescent coating, said copolymer composition comprising a blend of a Newtonian copolymer and of a reticulated copolymer, wherein the Newtonian copolymer is comprised... | 09/12/2006 |
| 7101829 | Fluid loss reducer for high temperature and high pressure water-based mud application The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as fluid loss reducer. The subject invention further rev... | 09/05/2006 |
| 7094824 | Rubbery polymer with improved properties The present invention discloses a rubbery polymer having improved properties, which is comprised of repeat units which are comprised of (a) butyl acrylate, or optionally a mixture of butyl acrylate and 2-ethylhexyl acrylate containing up to about 40 percent 2-ethylh... | 08/22/2006 |
| 6984686 | Rubbery polymer with improved properties The present invention discloses a rubbery polymer having improved properties, which is comprised of repeat units which are comprised of (a) butyl acrylate, or optionally a mixture of butyl acrylate and 2-ethylhexyl acrylate containing up to about 40 percent 2-ethylh... | 01/10/2006 |
