公开(公告)号：US06274381B1

公开(公告)日：2001-08-14

申请号：US09188639

申请日：1998-11-09

Applicant: Theodore D. Pauls ,  Susan I. Steuer ,  Brian A. Foley ,  Michael J. Denci ,  Haresh Doshi

Inventor： Theodore D. Pauls ,  Susan I. Steuer ,  Brian A. Foley ,  Michael J. Denci ,  Haresh Doshi

IPC: G01N3700

CPC classification number: C10L1/003 ,  C09B67/0041 ,  C09B67/0083 ,  C10L1/223 ,  C10L1/226 ,  G01N33/2882 ,  Y10T436/13

Abstract: This invention provides a method for invisibly tagging, for subsequent identification purposes, various liquid petroleum hydrocarbons, such as crude oil, diesel fuel, heating oil, kerosene, lubricating oils, waxes, jet fuel, and in particular gasoline, remarkably using visible dyes by incorporating therein one or more visible dyes at minute levels such that they cannot be visually detected by the human eye. Visible dyes which have high solubility in petroleum hydrocarbons and maximum absorption in the 550-700 nm visible wavelength range are used to impart such invisible markings. The visible dyes, although employed at non-visible levels, are still capable of detection in a relatively quick and simple manner which requires minimal instrumentation, creates no waste products for disposal, and gives true quantitative results of dye concentrations in the field. This invention, therefore, further provides a method for so identifying the tagged petroleum hydrocarbons by exposing the tagged hydrocarbon to visible light having wavelengths in the portion of the spectrum utilized and detecting and quantifying the presence of the dyes in the tagged product from their characteristic absorption with available absorption detection equipment sensitive in this spectral region. This invention also provides visible dye compositions particularly appropriate for said invisible tagging.

Abstract translation: 本发明提供了一种用于随后识别目的的各种液体石油烃，例如原油，柴油燃料，加热油，煤油，润滑油，蜡，喷气燃料，特别是汽油的显着地使用可见染料的方法， 在其中掺入一种或多种可见染料，使得它们不能被人眼目视检测。 使用在石油烃中具有高溶解度且在550-700nm可见波长范围内具有最大吸收的可见染料赋予这种不可见的标记。 可见染料虽然以不可见的水平使用，仍然能够以相对快速和简单的方式进行检测，这需要最少的仪器仪表，不会产生废弃物进行处理，并且可以提供现场染料浓度的真实定量结果。 因此，本发明还提供了一种用于通过将标记的烃暴露于具有所使用的光谱部分中的波长的可见光并通过其特征吸收检测和定量标记产物中染料的存在来鉴定标记的石油烃的方法 具有在该光谱区域敏感的可用吸收检测设备。 本发明还提供了特别适用于所述不可见标记的可见染料组合物。

公开(公告)号：US6083285A

公开(公告)日：2000-07-04

申请号：US160430

申请日：1998-09-24

Applicant: Mike Friswell ,  Justin Frederico ,  Haresh Doshi

Inventor： Mike Friswell ,  Justin Frederico ,  Haresh Doshi

IPC: C09B29/01 ,  C09B29/08 ,  C09B29/085 ,  C09B67/44 ,  C10L1/00 ,  C10L1/14 ,  C10L1/16 ,  C10L1/18 ,  C10L1/22 ,  D06P1/04

CPC classification number: C10L1/003 ,  C09B29/0003 ,  C09B29/081 ,  C09B67/0083 ,  C10L1/14 ,  C10L1/1608 ,  C10L1/1616 ,  C10L1/1832 ,  C10L1/226 ,  C10L1/231

Abstract: A stabilized, concentrated solution of a diazo dye is prepared by coupling diazotized aniline or substituted aniline with a dialkylaniline in the presence of an aromatic solvent. After removal of the aqueous phase, the solution is stabilized by the addition of a branched chain, primary or secondary, C.sub.3 -C.sub.6 alkyl phenol.

Abstract translation: 通过在芳族溶剂的存在下将重氮化的苯胺或取代的苯胺与二烷基苯胺偶合来制备稳定的重氮染料浓缩溶液。 除去水相后，通过加入支链，伯或仲C 3 -C 6烷基酚稳定溶液。

公开(公告)号：US5984983A

公开(公告)日：1999-11-16

申请号：US206020

申请日：1998-12-04

Applicant: Anjali Asgaonkar ,  Haresh Doshi

Inventor： Anjali Asgaonkar ,  Haresh Doshi

IPC: C10L1/00 ,  C10L1/18 ,  C10L1/185 ,  C10L1/188 ,  C10L1/189 ,  C10L1/19 ,  C10L1/222 ,  C10L1/224

CPC classification number: C10L1/003 ,  C10L1/1855 ,  C10L1/1857 ,  C10L1/188 ,  C10L1/1881 ,  C10L1/189 ,  C10L1/1895 ,  C10L1/19 ,  C10L1/1905 ,  C10L1/2227 ,  C10L1/224

Abstract: Carbonyl compounds, such as ketones, aldehydes, esters, amides, anhydrides and carboxylic acids are added to a material, particularly a liquid material as markers. Subsequently the carbonyl compound(s) are identified by measuring the absorbency peak(s) of the carbonyl compounds in the mid-IR range. Carbonyl compounds soluble in non-polar solvents and substantially insoluble in water are particularly suitable for tagging and identifying petroleum fuels. For use in petroleum fuels, the carbonyl compound(s) preferably contains no element other than carbon, hydrogen, oxygen and nitrogen. Digital carbonyl marker systems, i.e., systems containing two or more carbonyl compounds in predetermined ratios, can be determined quantitatively with instruments, such as SpecTrace.TM. which measure absorbance in the mid-IR region.

Abstract translation: 将羰基化合物如酮，醛，酯，酰胺，酸酐和羧酸加入到材料，特别是液体材料中作为标记物。 随后，通过测量中间IR范围内羰基化合物的吸收峰值来鉴定羰基化合物。 可溶于非极性溶剂且基本上不溶于水的羰基化合物特别适用于标记和鉴定石油燃料。 对于用于石油燃料中，羰基化合物优选不含碳，氢，氧和氮以外的元素。 数字羰基标记体系，即含有两个或多个预定比例的羰基化合物的体系可以用仪器定量测定，例如测量中红外区域的吸光度的SpecTrace TM。