Pyrazinoporphyrazines as markers for liquid hydrocarbons

Details Pyrazinoporphyrazines as markers for liquid hydrocarbons Pyrazinoporphyrazines as markers for liquid hydrocarbons

2007-01-02

2007-01-02

McAvoy, Ellen M. (Department: 1764)

Chemistry of hydrocarbon compounds

Product blend, e.g., composition, etc., or blending process...

With nonhydrocarbon additive

C585S005000, C508S203000, C508S204000, C508S256000, C436S056000, C436S139000, C044S320000, C044S335000

Reexamination Certificate

active

10465211

ABSTRACT:
A method for marking a liquid petroleum hydrocarbon. The method comprises adding to the liquid petroleum hydrocarbon a pyrazinoporphyrazine dye having an absorption maximum from 700 nm to 900 nm.

REFERENCES:
patent: 4657554 (1987-04-01), Graf et al.
patent: 4769163 (1988-09-01), Boes et al.
patent: 4975210 (1990-12-01), Boes, et al.
patent: 5062990 (1991-11-01), Yamamoto et al.
patent: 5525516 (1996-06-01), Krutak et al.
patent: 5677199 (1997-10-01), Arrhenuis
patent: 5804447 (1998-09-01), Albert et al.
patent: 6121442 (2000-09-01), Faust et al.
patent: 6274381 (2001-08-01), Pauls et al.
patent: 6312958 (2001-11-01), Meyer et al.
patent: 6340745 (2002-01-01), Meyer et al.
patent: 0201368 (1986-11-01), None
patent: 1 479 502 (1977-07-01), None
patent: 11116573 (1999-04-01), None
Jurgen Fabian, Hiroyuki Nakazumi and Masaru Matsuoka; Near-Infrared Absorbing Dyes; Chem. Rev.; vol. 92, No. 6; pp. 1197-1226; (1992).
Masaru Matsuoka, NIR Dyes for Information Recording, From Orgin to Update;Near-Infrared Dyes for High Technology Applications, 203-231; (1998) Kluwer Academic Publishers.
Patent Abstracts of Japan, vol. 0150, No. 27 (C-0797), Jan. 22, 1991 & JP 2 268102 A (Nippon Soda Co Ltd), Nov. 1, 1990.
Patent Abstracts of Japan, vol. 0150, No. 60 (C-0805), Feb. 13, 1991 & JP 2 289576 A (Nippon Soda Co Ltd), Nov. 29, 1990.

Affiliated with

Also associated with

Rating

Pyrazinoporphyrazines as markers for liquid hydrocarbons does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pyrazinoporphyrazines as markers for liquid hydrocarbons, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pyrazinoporphyrazines as markers for liquid hydrocarbons will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3760358