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Stevens James C, Timmers Francis J, Wilson David R, Schmidt Gregory F, Nickias Peter N, Rosen Robert K, Knight George W, Lai Shih Yaw: Constrained geometry addition polymerization catalysts, processes for their preparation, precursors therefor, methods of use, and novel polymers formed therewith.. Dow Chemical, March 13, 1991: EP0416815-A2 (544 worldwide citation)

Metal coordination complexes comprising a metal of Group 3 (except Sc), 4-10 or the lanthanide series and a delocalized PI -bonded moiety have said moiety substituted with a constrain-inducing moiety which reduces the angle at the metal between the centroid of said PI -bonded moiety and at least one ...


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Stevens James C, Nickias Peter N, Timmers Francis J, Rosen Robert K, Wilson David R, Knight George W, Schmidt Gregory F, Lai Shih Yaw: Constrained geometry addition polymerization catalysts, processes for their preparation, precursors therefor, methods of use, and novel polymers formed therewith. Dow Chemical, March 26, 1997: EP0764653-A2 (8 worldwide citation)

Hafnium or zirconium coordination complexes comprise a cyclopentadienyl or substituted cyclopentadienyl group forming part of a ring structure in which the metal is both bonded to an adjacent amidosilane moiety and held in association with the (substituted) cyclopentadienyl moiety. These complexes f ...


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Thiele Sven, Wilson David R, Boone Harold W, Feng Shaoguang, Mullins Michael J, Monroy Victor M: Process for homo-or copolymerization of conjugated diens. Dow Global Technologies, December 3, 2003: EP1367069-A1 (7 worldwide citation)

According to this invention, pyridine or phosphabenzene ligand-containing Group 5, 8, 9, lanthanide and actinide metal complexes corresponding to the formula: are disclosed as useful for polymerization of conjugated ethylenically unsaturated addition polymerizable monomers or copolymerization of one ...


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Thiele Sven K H, Wilson David R: Process for homo- or copolymerizationof conjugated olefines. Dow Global Technologies, Thiele Sven, K H, Wilson David R, sHOWARD Dan R, September 2, 2004: WO/2004/074333 (6 worldwide citation)

Metal complexes suitable for use in polymerization are described which correspond to Formula (1) in which M is yttrium, a group 4 metal, a lanthanide or an actinide metal; Ml is a group 1 or group 2 metal; T independently each occurrence is nitrogen or phosphorus; RB and RC independently each occurr ...


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Nickias Peter N, Devore David D, Wilson David R: Preparation of metal coordination complex.. Dow Chemical, October 6, 1993: EP0563365-A1 (2 worldwide citation)

Constrained geometry metal complexes that are useful in the preparation of catalysts for olefin polymerizations are prepared by contacting cyclopentadienyl compounds with metal compounds.


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Shankar Ravi B, Kruper William John, Wilson David R, Hudack Michele L, King Bruce A, Murray Daniel J, Wang Chun, Stobby William Gerald, Morgan Ted A, Beach Mark W, Beulich Inken: Phosphorus-sulfur fr additives and polymer systems containing same. Dow Global Technologies, Shankar Ravi B, Kruper William John, Wilson David R, Hudack Michele L, King Bruce A, Murray Daniel J, Wang Chun, Stobby William Gerald, Morgan Ted A, Beach Mark W, Beulich Inken, COHN Gary C, March 19, 2009: WO/2009/035881 (2 worldwide citation)

Certain phosphorus- sulfur compounds are effective in reducing the LOI of combustible organic polymers and in providing better FR characteristics to the polymers as determined by other standardized tests. The phosphorus-sulfur compounds are sulfur-bridged, metal-bridged or in the form of salts such ...


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Shankar Ravi B, Kruper William J, Wilson David R, Hudack Michelle L, King Bruce A, Murray Daniel J, Wang Chun, Stobby William Gerald, Morgan Ted A, Beach Mark W, Beulich Inken, Hu Ing Feng: Phosphorus-sulfur fr additives and polymer systems containing same. Dow Global Technologies, Shankar Ravi B, Kruper William J, Wilson David R, Hudack Michelle L, King Bruce A, Murray Daniel J, Wang Chun, Stobby William Gerald, Morgan Ted A, Beach Mark W, Beulich Inken, Hu Ing Feng, COHN Gary C, July 24, 2008: WO/2008/088487 (2 worldwide citation)

Phosphorus-sulfur compounds have flame retardant activity in organic polymer systems. The phosphorus-sulfur compounds can be represented by the structure: (F) wherein X is oxygen or sulfur, T is a covalent bond, oxygen, sulfur or nitrogen, provided that at least one of X and T is sulfur, each X' is ...


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WILSON DAVID R: Battery electrolyte solutions containing aromatic phosphorus compounds. Dow Global Technologies, Cohn Gary C, July 1, 2010: WO/2010/074838 (2 worldwide citation)

A battery electrolyte solution contains from 0.01 to 80% by weight of an aromatic phosphorus compound. The aromatic phosphorus compound provides increased thermal stability for the electrolyte, helping to reduce thermal degradation, thermal runaway reactions and the possibility of burning. The aroma ...