Hyperbranched polymer having nitroxyl group

Details Hyperbranched polymer having nitroxyl group Hyperbranched polymer having nitroxyl group

2011-08-09

2011-08-09

Teskin, Fred M (Department: 1762)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S333400, C525S333600, C525S356000, C525S375000, C522S126000, C424S009330, C429S484000

Reexamination Certificate

active

07994258

ABSTRACT:
There is provided a hyperbranched polymer having a nitroxyl group. A hyperbranched polymer comprising at least one organic radical structure (nitroxyl group) of Formula (1), Formula (2) or Formula (3):and having a weight average molecular weight measured by gel permeation chromatography in a converted molecular weight as polystyrene of 500 to 5,000,000.

REFERENCES:
patent: 4822594 (1989-04-01), Gibby
patent: 5567411 (1996-10-01), Keana et al.
patent: 2003/0215390 (2003-11-01), Rosen
patent: A-2001-523215 (2001-11-01), None
patent: A-2004-524259 (2004-08-01), None
patent: A-2004-256563 (2004-09-01), None
patent: WO 2006/093050 (2006-09-01), None
patent: WO 2007/136004 (2007-11-01), None
patent: WO 2008/029688 (2008-03-01), None
patent: WO 2008/029806 (2008-03-01), None
Ishizu, et al, Degree of Branching of Hyperbranched Polystyrenes . . . , J. of Applied Poly. Sci., 96, 1810-1815 (2005).
Bosman et al, Five Generations of Nitroxyl-Functionalized Dendrimers, Macromolecules, 1997, 30, 3606-3611.
Malmstrom et al, Statistically Branched Dendritic Polymers, in Dendrimers and other Dendritic Polymers, Frechet and Tomalia (ed.), 2001, 197-208.
International Search Report dated Dec. 2, 2008 in International Patent Application No. PCT/JP2008/069236 (with translation).
K. Ishizu et al., “Kinetics of Hyperbranched Polystyrenes by Free Radical Polymerization of Photofunctional Inimer,” Macromolecules, 2002, vol. 35, No. 9, pp. 3781-3784.
K. Ishizu et al., “Synthesis of hyberbranched polymers by self-addition free radical vinyl polymerization of photo functional styrene,” Macromolecular Rapid Communications, 2000, vol. 21, pp. 665-668.
K. Ishizu et al., “Novel synthesis and solution properties of hyperbranched poly(ethyl methacrylate)s by quasi-living radical copoloymerization using photofunctional inimer,” Polymer International, 2004, vol. 53, pp. 259-265.
G. M. Rosen et al., “Use of sodium triacetoxyborohydride in the synthesis of nitroxide biradicals,” J. Chem. Soc., Perkin Trans., 2002, vol. 1, pp. 2663-2667.
H. Hayashi et al., “Design of Dendrimeric MRI Contrast Agents Having Nitronylnitroxide Cation,” The Chemical Society of Japan Koen Yokoshu, 2006, vol. 86 (2), p. 1228, 3 K1-40.
H. Lee et al., “Thermally Cross-Linked Superparamagnetic Iron Oxide Nanoparticles: Synthesis and Application as a Dual Imaging Probe for Cancer in Vivo,” J. Am. Chem. Soc., 2007, vol. 129, No. 42, pp. 12739-12745.
K. Ishizu et al., “Novel synthesis of branched polystyrenes by quasi-living radical copolymerization using photofunctional inimer,” Polymer Internartional, 2001, vol. 50, pp. 906-910.
K. Ishizu et al., “Synthesis and characterization of hyperbranched poly(ethyl methacrylate) by quasi-living radical polymerization of photofunctional inimer,” Polymer International, 2002, vol. 51, pp. 424-428.
K. Ishizu et al., “Kinetics on Formation of Hyperbranched Poly(ethyl methacrylate) via a Controlled Radical Mechanism of Photofunctional Inimer,” Macromolecules, 2003, vol. 36, No. 10, pp. 3505-3510.
E. G. Rozantsev, “Free Nitroxyl Radicals; Syntheses of Some Stable Radicals and the Most Important Intermediates,” Feb. 12, 1970, pp. 213-214 (XXXI).
R. C. Brasch et al., “Influence of chemical structure on nitroxyl spin label magnetic relaxation characteristics,” Eur. J. Med. Chem., 1989, vol. 24, pp. 335-340.
B. Abarca-Gonzalez et al., “Synthesis, Characterisation, and Reactivity of 1-(1-Methylimidazol-2-YL)Ethenes,” Synthetic Communications, 1990, vol. 20 (3), pp. 321-331.
E. Wu et al., “TEMPO-Derived Task-Specific Ionic Liquids for Oxidation of Alcohols,” SYNLETT, 2005, No. 4, pp. 607-610.
H. Nishide et al., “Organic radical battery: nitroxide polymers as a cathode-active material,” Electrochimica Acta, 2004, vol. 50 pp. 827-831.

Affiliated with

Also associated with

Rating

Hyperbranched polymer having nitroxyl group does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hyperbranched polymer having nitroxyl group, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hyperbranched polymer having nitroxyl group will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2729928