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Expired patents of:
Texaco Inc.

Displaying 1 to 50 of 136 patents. (Retrieval took 3.000 seconds.)

 Patent TitleExpired:
1.Motor fuel detergent additives-hydrocarbyloxypolyether allophonate esters of 2-hydroxy ethane2007-02-28
2.Process for catalytic dewaxing of hydrocarbon feedstocks2007-02-21
3.Method for selective hydrodenitrogenation of raw oils2007-02-14
4.Aircraft deicing fluid with thermal and pH-stable wetting agent2007-02-14
5.Method of enhancing the activity of regenerated catalysts2007-02-14
6.Process of treating produced water with ozone2007-02-09
7.Debris reducing test cell for three phase meters2007-02-07
8.Means and method for analyzing a petroleum stream2007-01-24
9.Fuel composition2007-01-24
10.Downhole disposal of well produced water using pressurized gas2007-01-12
11.Method for optimizing hydrogen fluoride alxylation and increasing process safety2007-01-12
12.Fluorescence method of quantifying hydrocarbons, including crude oil, dispersed in water2007-01-10
13.Method and apparatus to improve the displacement of drilling fluid by cement slurries during primary and remedial cementing operations, to improve cement bond logs and to reduce or eliminate gas migration problems2007-01-03
14.Selective hydrodesulfurization of cracked naphtha using hydrotalcite-supported catalysts2006-12-22
15.Means and method for analyzing a petroleum stream2006-12-13
16.Split stream pumping system for oil production using electric submersible pumps2006-12-01
17.Downhole rotary bearing sub2006-11-29
18.Motor fuel additive and fuel composition2006-11-22
19.Gas handling for plastics liquefaction2006-11-17
20.Partial oxidation of scrap rubber tires and used motor oil2006-11-15
21.Method for enhanced recovery of viscous oil deposits2006-10-27
22.Generating pore types and synthetic capillary pressure curves from wireline logs using neural networks2006-10-27
23.Membrane and separation process2006-10-25
24.Production of H.sub.2 -rich gas2006-10-25
25.X-ray CT measurement of secondary (vugular) porosity in reservoir core material2006-10-25
26.Pumpable aqueous slurries of sewage sludge2006-10-18
27.Passive acoustic detection of flow regime in a multi-phase fluid flow2006-10-11
28.Neural network interpretation of aeromagnetic data2006-10-11
29.Method and apparatus for establish the orientation of tools in a cased borehole2006-10-04
30.Coupled downhole pump for simultaneous injection and production in an oil wheel2006-09-29
31.Method to increase sand grain coating coverage2006-09-15
32.Partial oxidation process with production of power2006-09-13
33.Method of removing water soluble organics from oil process water2006-09-08
34.Fatty acid salts as steam foaming agents2006-08-30
35.Method of achieve zonal isolation2006-08-23
36.Method and apparatus for grinding hot material and recovering gasses emitted therefrom2006-08-23
37.Produced water-oil separation tank for emulsions2006-08-23
38.Deslagging gasifiers by controlled heat and derivatization2006-08-16
39.Selective dual gravel pack2006-07-26
40.Diesel fuel additive providing clean up detergency of fuel injectors2006-07-26
41.Method and apparatus for removing fluid from production tubing into the well2006-07-21
42.API estimate using multiple fluorescence measurements2006-07-14
43.Mooring system and method for deep and ultra deep water2006-06-25
44.Selective hydrodesulfurization of cracked naphtha using novel catalysts2006-06-23
45.Methods for optimizing sampling of a petroleum pipeline2006-06-09
46.Volume meter system2006-05-24
47.Railroad lubricating composition2006-05-14
48.Sample holder for hydrous pyrolysis operations2006-05-03
49.Preparation of trimethyl pentanes by hydrogen transfer2006-04-28
50.Water influx identification2006-04-23

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