Process for preparing homopolymers, copolymers and/or block...

Details Process for preparing homopolymers, copolymers and/or block... Process for preparing homopolymers, copolymers and/or block...

2007-01-30

2007-01-30

Lu, Caixia (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S160000, C526S165000, C526S131000, C526S348000, C526S943000, C502S155000

Reexamination Certificate

active

10667980

ABSTRACT:
The present invention relates to a process for preparing homopolymers, copolymers and/or block copolymers of 1-olefins by living polymerization, to the use of the homopolymers, copolymers and/or block copolymers obtained for producing high-value materials and to the polymers formed from these homopolymers and/or block copolymers.

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J. Amer. Chem. Soc., 124, (month unavailable) 2002, pp. 3326-3336, Makoto Mitani et al, “Living Polymerization of Ethylene Catalyzed by Titanium Complexes Having Fluorine-Containing Phenoxy-lmine Chelate Ligands” (Also see Supporting Info attached).
Chem. Letters, (month unavailable) 2001, pp. 576-577, Junji Saito et al, “Highly Syndiospecific Living Polymerization of Propylene Using a Titanium Complex Having Two Phenoxy-lmine Chelate Ligands”.
Angew. Chemie, 41, (month unavailable) 2002, pp. 2237-2257, Geoffrey W. Coates, et al, “Catalysts for the Living Insertion Polymerization of Alkenes: Access to New Polyolefin Architectures Using Ziegler-Natta Chemistry” (translation for Angew. Chem. 114, 2002).
J. Amer. Chem. Soc., 124, (month unavailable) 2002, pp. 3327-3336, Makoto Mitani et al., “Living Polymerization of Ethylene Catalyzed by Titanium Complexes Having Fluorine-Containing Phenoxy-Imine Chelate Ligands” (Also see Supporting Info attached.).
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