1
Shih Yaw Lai, John R Wilson, George W Knight, James C Stevens, Pak Wing S Chum: Elastic substantially linear olefin polymers. The Dow Chemical Company, Stephen P Krupp, L Wayne White, December 21, 1993: US05272236 (945 worldwide citation)

Substantially linear olefin polymers having a melt flow ratio, I.sub.10 /I.sub.2, .gtoreq.5.63, a molecular weight distribution, M.sub.w /M.sub.n, defined by the equation: M.sub.w /M.sub.n .ltoreq.(I.sub.10 /I.sub.2)-4.63, and a critical shear stress at onset of gross melt fracture of greater than a ...


2
Shih Yaw Lai, John R Wilson, George W Knight, James C Stevens: Elastic substantialy linear olefin polymers. The Dow Chemical Company, Stephen P Krupp, L Wayne White, January 11, 1994: US05278272 (784 worldwide citation)

Elastic substantially linear olefin polymers are disclosed which have very good processability, including processing indices (PI's) less than or equal to 70 percent of those of a comparative linear olefin polymer and a critical shear rate at onset of surface melt fracture of at least 50 percent grea ...


3
Leroy A Pantermuehl, Thomas E Krisa: Carbon dioxide recovery. Amoco Corporation, L Wayne White, August 9, 1988: US04762543 (115 worldwide citation)

A novel gas processing method is disclosed which is useful in separating and recovering carbon dioxide from gas streams having a high carbon dioxide content (e.g., 85-95 mol percent) and a low hydrocarbon/nitrogen content. The method is particularly useful in processing gas streams produced during c ...


4
Harold S Bissonnette: Stage cementing apparatus. Dowell Schlumberger Incorporated, L Wayne White, June 2, 1987: US04669541 (113 worldwide citation)

A stage collar for stage cementing a well casing includes a slidable closing sleeve having ports alignable with ports in the stage collar case. These closing sleeve and stage collar ports communicate with an annulus around the well casing when the stage collar is open. A shift sleeve closes the port ...


5
Gregory Kubala: Aqueous gelling and/or foaming agents for aqueous acids and methods of using the same. Dowell Schlumberger Incorporated, L Wayne White, September 22, 1987: US04695389 (112 worldwide citation)

A novel buffered gelling/foaming agent and resulting gelled aqueous inorganic acid solution involving a N,N-bis (2-hydroxyethyl) fatty amine acetic acid salt (e.g., N,N-bis (2-hydroxyethyl) tallow ammonium acetate); alkali metal acetate; and acetic acid buffered system. The buffered gelling/foaming ...


6
Ricky L Tabor, Gerald M Lancaster, Zdravko Jezic, Gene P Young, John O Biesser: Maleic anhydride grafts of olefin polymers. The Dow Chemical Company, W J Lee, L Wayne White, August 21, 1990: US04950541 (110 worldwide citation)

Succinic acid or succinic anhydride grafts of linear ethylene polymers are blended with other polymers or resins, e.g. polyesters and the like, to form blends having useful adhesive properties. The adhesive properties are useful in various laminates and in bicomponent fibers which comprise a core of ...


7
Sandra E Baranet, Richard M Hodge, Clare H Kucera: Stabilized fracture fluid and crosslinker therefor. Dowell Schlumberger Incorporated, L Wayne White, August 11, 1987: US04686052 (85 worldwide citation)

Various organometallic crosslinkers containing titanium or zirconium atoms in the +4 oxidation (valence) state have been used to crosslink solvatable polysaccharides (e.g., hydroxypropyl guar) in aqueous media. The crosslinked gels are useful as fracturing fluids. Aqueous solutions of the organometa ...


8
Clare H Kucera: Fracturing of subterranean formations. Dowell Schlumberger Incorporated, L Wayne White, July 28, 1987: US04683068 (83 worldwide citation)

Novel aqueous crosslinked gels are described herein which are useful for fracturing subterranean formations. The novel gels are comprised of a solvatable polysaccharide and a soluble zirconium crosslinking agent. The zirconium crosslinking agents are novel and are prepared by reacting a zirconium al ...


9
Rajen Puri, Michael H Stein: Method of coalbed methane production. Amoco Corporation, L Wayne White, Fred E Hook, November 28, 1989: US04883122 (74 worldwide citation)

A method of producing coalbed methane by injecting inert gas, such as nitrogen, through an injection well into the coal seam and recovering coalbed methane from a production well(s). Methane desorption from coal is achieved by reduction in methane partial pressure rather than by reduction in total p ...


10
Richard M Hodge: Hydraulic fracturing method using delayed crosslinker composition. Dowell Schlumberger Incorporated, L Wayne White, April 14, 1987: US04657081 (74 worldwide citation)

A crosslinker composition that can produce delayed crosslinking of an aqueous solution of a crosslinkable organic polymer. The composition comprises a metal compound, preferably an organic metal complex, and most preferably an organic zirconium complex. The composition further contains an organic hy ...