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
James C Stevens, David R Neithamer: Metal complex compounds. The Dow Chemical Company, Douglas N Delime, November 12, 1991: US05064802 (464 worldwide citation)

A monocyclopentadienyl or substituted monocyclopentadienyl metal complex containing compound useful as a polymerization catalyst corresponding to the formula:


4
James C Stevens, David R Neithamer: Metal complex compounds. The Dow Chemical Company, Douglas N Deline, July 21, 1992: US05132380 (232 worldwide citation)

A monocyclopentadienyl or substituted monocyclopentadienyl metal complex containing compound useful as a polymerization catalyst corresponding to the formula:


5
David R Neithamer, James C Stevens: Process for preparation of monocyclopentadienyl metal complex compounds and method of use. The Dow Chemical Company, September 27, 1994: US05350723 (146 worldwide citation)

Cationic Group 4 or Lanthanide metal catalysts containing a single, delocalized n-bonded group are prepared by contacting a metal complex with a carbonium salt of a compatible, non-coordinating anion.


6
William Baker, James C Stevens: Pulse oximetry. Sentinel Monitoring, Cumpston & Shaw, July 11, 1995: US05431159 (142 worldwide citation)

Non-invasive oximetry wherein red and infrared light from light sources energized at different frequencies is applied to arterial blood-containing tissue of a living subject. The red and infrared light coming from this tissue is sensed in order to obtain frequency-muliplexed information as to the ab ...


7
Shih Yaw Lai, John R Wilson, George W Knight, James C Stevens: Elastic substantially linear olefin polymers. The Dow Chemical Company, January 10, 1995: US05380810 (117 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 ...


8
James C Stevens, Daniel D Vanderlende: Isotactic propylene copolymers, their preparation and use. Dow Global Technologies, Whyte Hirschboeck Dudek SC, November 1, 2005: US06960635 (109 worldwide citation)

Unique copolymers comprising propylene, ethylene and/or one or more unsaturated comonomers are characterized as having: at least one, preferably more than one, of the following properties: (i) 13C NMR peaks corresponding to a regio-error at about 14.6 and about 15.7 ppm, the peaks of about equal int ...


9
Robert E LaPointe, James C Stevens, Peter N Nickias, Mark H McAdon: Homogeneous olefin polymerization catalyst by abstraction with lewis acids. The Dow Chemical Company, February 24, 1998: US05721185 (104 worldwide citation)

A process for preparing addition polymerization catalysts having a limiting charge separated structure corresponding to the formula:


10
Robert K Rosen, Peter N Nickias, David D Devore, James C Stevens, Francis J Timmers: Addition polymerization process using stabilized reduced metal catalysts. The Dow Chemical Company, December 20, 1994: US05374696 (102 worldwide citation)

Complexes useful as addition polymerization catalysts, a process for their manufacture and addition polymerization processes wherein the complex comprises a Group 4 metal in the .sup.+ 3 oxidation state, a delocalized .pi.-bonding moiety, and at least one stabilizing ligand.