Spiro compounds, and their use

Chemistry of hydrocarbon compounds – Compound or reaction product mixture – Aromatic

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C428S690000

Reexamination Certificate

active

06861567

ABSTRACT:
The present invention relates to novel spiro compounds of the formula (I):

REFERENCES:
patent: 3781711 (1973-12-01), Drexhage et al.
patent: 5037578 (1991-08-01), Kauffman et al.
patent: 5041238 (1991-08-01), Kauffman et al.
patent: 5149807 (1992-09-01), Hammond et al.
patent: 5621131 (1997-04-01), Kreuder et al.
patent: 5840217 (1998-11-01), Lupo et al.
patent: 5885368 (1999-03-01), Lupo et al.
patent: 3703065 (1987-08-01), None
patent: 0 676 461 (1995-10-01), None
patent: WO 9710617 (1997-03-01), None
CA:124:18003 abs of EP676461 Oct. 1995.*
CA:130:344493 abs of Proceedings of SPIE—The International Society for Optical Engineering—pp 40-48 3476 by Weinfurtner et al 1998.*
CA:126:163723 abs of Inorganic and Organic Electroluminescence by Salbeck J. pp 243-6 1996.*
CA:126:322720 abs of Polymer Preprints (Amer. Chem. Soc., Division of Polymer Chem.) 38 (1) pp 349-50 by Salbeck et al 1997.*
CA:129:5625 abs of WO 9818966 May 1998.*
CA 137:208193 abs of US 2002122900 Sep. 2002.*
CA:136:223477 abs of Chemistry of Materials by Geng et al 14(1) pp 463-470 14 (1) 2002.*
CA:138:330028 abs of JP2033115624 Apr. 2003.*
CA:136:309744 abs of Chemistry of Materials by Katsis et al 14(3) pp 1332-1339 2002.*
CA:128:41356 abs of Macromolecular Symposia by Salbeck et al pp 121-132 no 125 19980.*
CA:92:146733 abs of Helvetica Chimica Acta 62(7) pp 2285-302 by Prelog et al 1979.*
CA:89:131042 abs of Society of Dyers and Colourists 94 (7) pp 306-9 by Sutcliffe et al 1978.*
Sutcliffe, F.K. et al.The Synthesis and Properties of Dyes and Pigments Containing A 9,9′-Spirobifluorene Residue. Journal of the Society of Dyers and Colourists, vol. 94, No. 7, Jul. 1978, pp. 306-309, XP002030898.
Liphardt, B. et al.Bifluorophore Laserfarbstoffe zur Steigerung des Wirkungsgrades von Farbstoff-Lasern Laser Dyes, I. Bifluorophoric Laser Dyes for Increase of the Efficiency of Dye Lasers. Liebigs Annalen der Chemie, vol. 1981, No. 6, Jun. 1981, pp. 1118-1138, XP002030899 (with English abstract).
CA:113:41352 abs of J Am Chem Soc by Tour et al 112(14) pp 5662-3, 1990.
CA:126:311052 abs of DE 19533850, Sep. 1995.
CA:126:163723 abs of Inorg Org Electroluminescence (Int. Workshop Electroluminescence) 8thpp 243-246, 1996.
CA:130:344493 abs of Proc SPIE Int Soc Opt Eng (Organic Light-Emitting Materials and Devices II) 3476, 1998.
J. Salbeck et al., “Optical amplification in spiro-type molecular glasses”,Thin Solid Films, vol. 417(1-2), pp. 20-25 (2002).

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

Spiro compounds, and their 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 Spiro compounds, and their use, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spiro compounds, and their use will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3384837

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