Sulfide scavenger

Details Sulfide scavenger Sulfide scavenger

2007-05-01

2007-05-01

Balasubramanian, Venkataraman (Department: 1624)

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C423S200000, C423S228000, C208S207000, C208S237000

Reexamination Certificate

active

10291461

ABSTRACT:
1,3,5-(2H2,4H2,6H2) tripropanediamine N,N,N′,N′,N″,N″ hexamethyl is used to scavenge sulfur compounds from hydrocarbons. A novel method of making the triazine comprises autocondensing (CH3)2NCH2CH2CH2N═CH2.

REFERENCES:
patent: 2149380 (1939-03-01), Yabroff et al.
patent: 2783205 (1957-02-01), Brooks et al.
patent: 3053757 (1962-09-01), Bloembergen
patent: 4266054 (1981-05-01), Au
patent: 4430196 (1984-02-01), Niu
patent: 4440649 (1984-04-01), Loftin et al.
patent: 4675169 (1987-06-01), Hass
patent: 4978366 (1990-12-01), Weers
patent: 4978512 (1990-12-01), Dillon
patent: 5074991 (1991-12-01), Weers
patent: 5128059 (1992-07-01), Storey et al.
patent: 5169411 (1992-12-01), Weers
patent: 5223127 (1993-06-01), Weers et al.
patent: 5266185 (1993-11-01), Weers et al.
patent: 5284576 (1994-02-01), Weers et al.
patent: 5347004 (1994-09-01), Rivers et al.
patent: 5354453 (1994-10-01), Bhatia
patent: 5405591 (1995-04-01), Galloway
patent: 5415785 (1995-05-01), Braden et al.
patent: 5462721 (1995-10-01), Pounds et al.
patent: 5486605 (1996-01-01), Gatlin
patent: 5488103 (1996-01-01), Gatlin
patent: 5498707 (1996-03-01), Gatlin
patent: 5554349 (1996-09-01), Rivers et al.
patent: 5567213 (1996-10-01), Gentry et al.
patent: 5674377 (1997-10-01), Sullivan et al.
patent: 5688478 (1997-11-01), Pounds et al.
patent: 5697443 (1997-12-01), Brezinski et al.
patent: 5698171 (1997-12-01), Trauffer et al.
patent: 5744024 (1998-04-01), Sullivan et al.
patent: 5958352 (1999-09-01), Callaway et al.
patent: 6024866 (2000-02-01), Weers et al.
patent: 6063346 (2000-05-01), Luna
patent: 6117310 (2000-09-01), Rivers
patent: 6136282 (2000-10-01), Fisher
patent: 2002/0157989 (2002-10-01), Gatlin et al.
patent: 2125513 (1995-01-01), None
patent: 2005946 (1995-02-01), None
patent: 2148849 (1995-12-01), None
patent: 24 04 511 (1975-08-01), None
patent: 40 27 300 (1992-03-01), None
patent: 1 456 732 (1976-11-01), None
patent: 2 245 588 (1992-08-01), None
patent: WO-92/01481 (1992-02-01), None
W. J. Kauffman, “Observations on the Synthesis and Characterization of N,N′,N″-Tris(dimethylaminopropyl)hexahydro-s-triazine and isolable intermediates,” J. Heterocyclic Chemistry, p. 409-411, (Apr. 1, 1975).
Fuchslueger, Ulf et al, “Capillary Supercritical Fluid Chromatography/Mass Spectrometry of Phenolic Mannich Bases with Dimethyl Ether Modified Ethane as the Mobile Phase,” Analytical Chemistry, American Chemical Society, vol. 71 (No. 13), p. 2324-2333, (Jul. 1, 1999).
GB Examination Report, Application No. GB0328368.6, dated Nov. 14, 2005.

Affiliated with

Also associated with

Rating

Sulfide scavenger does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Sulfide scavenger, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sulfide scavenger will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3814203