Featured patents

Aza-Ring Fused Indole and Indoline Derivatives
US 08809532 B2, Aug. 19, 2014, One of the cyclos is five-membered, Lei Shi / AbbVie Inc. (North Chicago, US)
A compound of formula (I):…

Panchromatic Photosensitizers and Dye-Sensitized Solar Cell Using the Same
US 08759521 B2, June 24, 2014, Heavy metal or aluminum containing, Bo-So Chen et al. / National Tsing Hua University (Hsinchu, TW)
Photosensitizers having a chemical formula represented by Formula (a):…

Spiroxazolidinone Compounds
US 08742110 B2, June 3, 2014, Polycyclo ring system having the six-membered hetero ring as one of the cyclos, Remond Moningka et al. / Merck Sharp & Dohme Corp. (Rahway, US)
A compound of structural formula I:…

Cycloalkylamine Substituted Isoquinolone Derivatives
US 08742116 B2, June 3, 2014, Plural ring nitrogens in the polycyclo ring system, John Weston et al. / Sanofi (Paris, FR)
A compound of the formula (I)…

Inhibitors of Protein Tyrosine Kinase Activity
US 08729268 B2, May 20, 2014, Ring sulfur in the bicyclo ring system, Oscar Mario Saavedra et al. / MethylGene Inc. (Montreal, CA)
A compound of Formula (I):…

Tandem Process for Preparing N-Alkyl Morphinans
US 08703949 B2, April 22, 2014, One of the five cyclos is five-membered and includes ring chalcogen, David W. Berberich et al. / Mallinckrodt LLC (Hazelwood, US)
A one pot process for preparing a compound represented by Formula (IV)…

Amide Derivatives, Process for Preparation Thereof and Use Thereof as Insecticide
US 08710234 B2, April 29, 2014, Acyclic nitrogen bonded directly to a -C(=X)- group, wherein X is chalcogen, Hiroyuki Katsuta et al. / Mitsui Chemicals, Inc. (Tokyo, JP)
A compound represented by Formula (1):…

Ruthenium Complex-Based Photosensitizer Dyes for Dye-Sensitized Solar Cells
US 08664393 B2, March 4, 2014, Heavy metal or aluminum containing, Eric Wei-Guang Diau et al. / National Chiao Tung University (Hsinchu, TW)
A ruthenium complex photosensitizer dye for dye-sensitized solar cells,…

Preparation of (N-Heterocyclyl) Aryl Ethers
US 08592595 B2, Nov. 26, 2013, Process of forming a piperidine ring from a pyridine ring or from a partially hydrogenated pyridine ring, Michael Kreis / Saltigo GmbH (Leverkusen, DE)
A process for the preparation of compounds of the formula (I)…

Crystalline Forms of Trans-7-Oxo-6-(Sulphooxy)-1,6-Diazabicyclo[3,2,1]octane-2-Carboxamide Sodium Salt
US 08471025 B2, June 25, 2013, Ring nitrogen is shared by the two cyclos, Mahendra G. Dedhiya et al.
A crystalline form…

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