Mesogens and methods for their synthesis and use

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C252S299010, C252S299640, C252S299670, C524S294000, C524S534000, C524S559000

Reexamination Certificate

active

07098359

ABSTRACT:
New, efficient methods for making novel platform molecules and polymerizable mesogens are provided, as well as the novel mesogens and methods of using same.

REFERENCES:
patent: 4099856 (1978-07-01), Weissflog et al.
patent: 4201856 (1980-05-01), Jackson, Jr.
patent: 4914221 (1990-04-01), Winkler et al.
patent: 5024850 (1991-06-01), Broer et al.
patent: 5073294 (1991-12-01), Shannon et al.
patent: 5202053 (1993-04-01), Shannon et al.
patent: 5563230 (1996-10-01), Hsu et al.
patent: 5624976 (1997-04-01), Klee
patent: 5654471 (1997-08-01), Zahn et al.
patent: 5676879 (1997-10-01), Heynderickx et al.
patent: 5808108 (1998-09-01), Chappelow et al.
patent: 5811504 (1998-09-01), Shiota et al.
patent: 5833880 (1998-11-01), Siemensmeyer
patent: 5871665 (1999-02-01), Coates et al.
patent: 5989461 (1999-11-01), Coates et al.
patent: 6031015 (2000-02-01), Ritter et al.
patent: 6060042 (2000-05-01), Schuhmacher et al.
patent: 6090308 (2000-07-01), Coates et al.
patent: 6117920 (2000-09-01), Jolliffe et al.
patent: 6136225 (2000-10-01), Meyer et al.
patent: 6144428 (2000-11-01), Schadt et al.
patent: 6194481 (2001-02-01), Furman
patent: 6204302 (2001-03-01), Rawls et al.
patent: 6217792 (2001-04-01), Parri et al.
patent: 6217955 (2001-04-01), Coates et al.
patent: 6258974 (2001-07-01), Wellinghoff
patent: 6291035 (2001-09-01), Verrall et al.
patent: 6303050 (2001-10-01), Dannenhauer et al.
patent: 6410765 (2002-06-01), Wellinghoff
patent: 6414092 (2002-07-01), Coates et al.
patent: 6417244 (2002-07-01), Wellinghoff
patent: 6649230 (2003-11-01), Seiberle et al.
patent: 6670436 (2003-12-01), Burgath et al.
patent: 6695617 (2004-02-01), Wellinghoff
patent: 6696585 (2004-02-01), Wellinghoff
patent: 6699405 (2004-03-01), Prechtl et al.
patent: 6743936 (2004-06-01), Wellinghoff
patent: 2002/0013382 (2002-01-01), Furman
patent: 2002/0036285 (2002-03-01), Prechtl et al.
patent: 2002/0177727 (2002-11-01), Wellinghoff
patent: 2003/0036609 (2003-02-01), Wellinghoff
patent: 2003/0055280 (2003-03-01), Wellinghoff
patent: 2003/0125435 (2003-07-01), Norling
patent: 2004/0144954 (2004-07-01), Wellinghoff
patent: 2004/0199004 (2004-10-01), Wellinghoff et al.
patent: 0159887 (1985-10-01), None
patent: 0 242 278 (1987-10-01), None
patent: 0722992 (1996-07-01), None
patent: 0 869 112 (1998-03-01), None
patent: 2 297 549 (1996-07-01), None
patent: 2330139 (1999-04-01), None
patent: 08-157597 (1996-06-01), None
patent: WO 92/16183 (1992-10-01), None
patent: WO 93/22397 (1993-11-01), None
patent: WO 98/13008 (1998-04-01), None
patent: WO 02/070543 (2002-09-01), None
Gerold Schmitt, et al., New liquid crystalline di- and tetra-acrylates for network formation Liquid Crystals, 2001, vol. 28, No. 11, 1611-1621.
Choi, Rheological studies on sterically stabilized model dispersions of uniform colloidal spheres. II. Steady-shear viscosity, J. Colloid Interface Science., Sep. 1986, pp. 101-113, vol. 113(1), Academic Press, Inc.
Condon, Reduction of composite contraction stress through non-bonded microfiller particles, Dental Materials, Jul 1998, pp. 256-260, vol. 14.
Hellwig, Influence of an incremental application technique on the polymerization of two light-activated dental composite filling materials, Dtsch. Zahnaerztl Z., 1991, pp. 270-273, vol. 46.
Hikmet, Anisotropic polymerization shrinkage behavior of liquid-crystalline diacrylates, Polymer, 1992, pp. 89-95, vol. 33(1), Butterworth-Heinemann Ltd.
Norling et al, Polymerizable nematic liquid crystal monomers for reduced shrinkage restorative resins, Proc. 17th Southern Biomed. Eng. Conf., 1998, p. 120.
Liu, Constant-volume polymerization of composites by addition of ammonia-modified montmorillonite, American Journal of Dentistry, Apr. 1990, pp. 44-50, vol. 3(2).
Millich, Elements of light-cured epoxy based dental polymer systems, J. Dent. Res., Apr. 1998, pp. 603-608, vol. 77(4).
Rawls et al, Low Shrinkage resins from liquid crystal diacrylate monomers, ACS Polymer Preprints, Sep. 1997, pp. 167-168, vol. 38(2).
Stansbury et al, Cyclopolymerizable Monomers for use in dental resin composites, J. Dent. Res., Mar. 1990, pp. 844-848, vol. 69(3).
Uno et al, Marginal adaptation of a restorative resin polymerized at reduced rate, Scand. J. Dent. Res., 1991, pp. 440-444, vol. 99(5).
Holmberg, Ester Synthesis with Dicyclohexycarbodiimide Improved by Acid Catalysts, Acta Chemica Scandinavica, 1979, pp. 410-412, vol. B 33.
Nakamura, Characterization of Epitaxially Grown ZnS : Mn Films on a GaAs(100) Substrate prepared by the Hot-wall Epitaxy Technique, J. Mater. Chem., 1991, pp. 357-359, vol. 1(3).
Schultz, Polymerization and Viscoelastic Behavior of Networks from a Dual-Curing, Liquid Crystalline Monomer, J. Polym. Phys., 1999, pp. 1183-1190, vol. 37, John Wiley & Sons, Inc.
Griffin, Mesogenic Polymers. III. Thermal Properties and Synthesis of Three Homologous Series of Thermotropic Liquid Crystalline “Backbone” Polyesters, Journal of Polymer Science: Polymer Physics Edition, 1981, pp. 951-969, vol. 19, John Wiley & Sons, Inc.
Hutchins, Aqueous Polar Aprotic Solvents. Efficient Sources of Nucleophilic Oxygen, J. Org. Chem. 1983, pp. 1360-1362, vol. 48, The American Chemical Society.
Kornblum, Displacement of the Nitro Group of Substituted Nitrobenzenes—a Synthetically Useful Process, J. Org. Chem., 1976, pp. 1560-1564, vol. 41, The American Chemical Society.
Clark, X-Ray Scattering Study of Smectic Ordering in a Silica Aerogel, Physical Review Letters, Nov. 22, 1993, pp. 3505-3508, vol. 71, No. 21, The American Chemical Society.
Broer, In-Situ photopolymerization of oriented liquid-crystalline acrylates, 4 Influence of a lateral methyl substituent on monomer and oriented polymer network properties of a mesogenic diacrylate, Makromol. Chem. 1989, pp. 3201-3215, vol. 190, Huthig & Wepf Verlag Basel, Heidelberg, New York.
Barclay, Liquid Crystalline and Rigid-rod Networks, Prog. Polym. Sci., 1993, pp. 899-945, vol. 18(5), Pergamon Press Ltd.
Liquid Crystalline Polymers to Mining Applications, Encyclopedia of Polymer Science and Engineering, 1987, pp. 1-61, vol. 9, John Wiley & Sons, New York.
Meek, Inertness of Tetrachlorofulvenes in the Diels-Alder Reaction, J. Org. Chem., Jan. 9, 1958, pp. 1708-1710, vol. 22 (12), The American Chemical Society.
Suzuki et al, Preparation of poly(dimethylsiloxane) macromonomers by the initiator method': 2. Polymerization mechanism, Polymer, 1989, pp. 333-337, vol. 30(2), Butterworth.
Kochan et al, Solid Freeform Manufacturing—Assessments and Improvements at the Entire Process Chain, Proceedings of the Seventh International Conference on Rapid Prototyping, Mar. 31-Apr. 3, 1997, pp. 203-214, 94RA021.
Norling et al, Cure shrinkage of experimental LC monomer based composite resins, Abstract, American Association for Dental Research meeting, 2001, Chicago, IL.
Mogri et al, Thermomechanical of liquid crystalline monomer in dental composites, Abstract, American Association for Dental Research meeting, 2001, Chicago, IL.
Dowell et al, The Effect of Silanation on Polymerization and Dynamic Mechanical Behavior of a homogenous nanofilled resin, Abstract, American Association for Dental Research meeting, 2001, Chicago, IL.
Logan et al, Effect of Silanation on Mechanical Properties of Homogeneous Nanofilled resins, Abstract, American Association for Dental Research meeting, 2001, Chicago, IL.
Norling et al, Synthesis of a new low shrinkage liquid crystal monomer, Abstract, American Association for Dental Research meeting, 2000, Washington, D.C.
Furman et al, A Radiopaque Zirconia Microfiller for Translucent Composite Restoratives, Abstract, American Association for Dental Research meeting, 2000, Washington, D.C.
Geng, Targeted Drug Release by a Novel Polymeric Device Based on EVA (Ethylene Vinyl Acetate) For Periodontal Condition, (ABSTRACT).
Boland et al, Cell Survival and Cytokine Expression by Dental Cells Treated with a Liquid Crystal Resin Monomer, J. Dent. Res., 2001, pp. 151 (Abstract 928), vol. 80.
Wang, Rheological Properties of Dental Composites, (ABSTRACT).
Wellinghoff et al, Reduced Shrinkage dimeth

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Mesogens and methods for their synthesis and use does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Mesogens and methods for their synthesis and use, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mesogens and methods for their synthesis and use will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3632690

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.