Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2006-12-05
2006-12-05
Barts, Samuel (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
Reexamination Certificate
active
07145038
ABSTRACT:
A process for alkylation of a diphenylamine compound in an ionic liquid. The use of an ionic liquid permits convenient separation of the alkylated reaction product from the reaction mixture.
REFERENCES:
patent: 2943112 (1960-06-01), Popoff et al.
patent: 4824601 (1989-04-01), Franklin
patent: 4973759 (1990-11-01), Klein et al.
patent: 5214211 (1993-05-01), Kurek et al.
patent: 5232614 (1993-08-01), Colclough et al.
patent: 5672752 (1997-09-01), Lai et al.
patent: 5734084 (1998-03-01), Zhu
patent: 5750787 (1998-05-01), Lai et al.
patent: 6315925 (2001-11-01), Aebli et al.
patent: 0 807 620 (1997-11-01), None
patent: 2 325 929 (1998-12-01), None
patent: 55-053249 (1980-04-01), None
Parkinson, “Ionic Liquids Make an Environmental Splash,”100Chemical Engineering Progress7 (Sep. 2004).
Venuto et al., “Organic Reactions Catalyzed by Crystalline Aluminosilicates” 4Journal of Catalysis81-98 (1966).
Holbrey, “Industrial Applications of Ionic Liquids,”Chemistry Today35 (Jun. 2004).
Wilkes, “Friedel-Crafts Reactions in Chloroaluminate Molten Salts,”Molten Salt Chemistry: An Introduction and Selected Applications405 (Mamantov and Marassi Eds. 1987).
Nelson, “Are Ionic Liquids Green Solvents?” 818ACS Symposium Series30-41, (American Chemical Society 2002).
Davis et al., “Synthesis and Purification of Ionic Liquids,”Ionic Liquids in Synthesis7 (Wasserschied & Welton Eds. 2003).
Anthony et al., “Physicochemical Properties of Ionic Liquids,”Ionic Liquids in Synthesis41 (Wasserschied & Welton Eds. 2003).
Earle et al, “Organic Synthesis,”Ionic Liquids in Synthesis174 (Wasserschied & Welton Eds. 2003).
Drake et al., “Structural Effects on the Physical Properties of Ionic Liquids,”Air Force Research Laboratory Report No.AFRL-PR-ED-VG-2003-122 (May 2003).
“BASIL™—First Commercial Process Using Ionic Liquids”Chemicals Research and Engineeringhttp://www.corporate.basf.com/en/innovationen/labors/chemikalien, (Mar. 2003).
Boswell, “Technology Watch: Ionic Liquids Offer New Solutions”Chemical Market ReporterFR14-16 (Jan. 2004).
Freemantle, “Designer Liquids in Polymer Systems”Chemical and Engineering News26-29 (May 2004).
Barts Samuel
Chemtura Corporation
Dilworth Michael P.
LandOfFree
Alkylation of a diphenylamine compound in ionic liquid does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Alkylation of a diphenylamine compound in ionic liquid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Alkylation of a diphenylamine compound in ionic liquid will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3720400