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Class Information
Number: 405/265
Name: Hydraulic and earth engineering > Earth treatment or control > Chemical > Organic > Bituminous
Description: Method or apparatus wherein the organic compound is a derivative of petroleum, coal tar, or similar compound.










Patents under this class:

Patent Number Title Of Patent Date Issued
7824569 Soluble salt produced from a biopolymer and a process for producing the salt Nov. 2, 2010
7438500 Erosion resistant barrier with varying permeabilities Oct. 21, 2008
6340385 Clay-containing mixture of dry solids to be used in forming a moisture resistant gel and method for treating a surface Jan. 22, 2002
5868202 Hydrologic cells for recovery of hydrocarbons or thermal energy from coal, oil-shale, tar-sands and oil-bearing formations Feb. 9, 1999
5116413 Process and sealing agent for producing a watertight and/or gastight bushing of lines in a water-resistant and/or gas-blocking wall, and device for use thereof May. 26, 1992
5078543 Storage system for solid waste material Jan. 7, 1992
5006013 Granular type structure with moisture retaining top surface Apr. 9, 1991
4844662 Sealing barrier for subterranean purposes Jul. 4, 1989
4781490 Method of pothole repair Nov. 1, 1988
4701070 Method of pothole repair Oct. 20, 1987
4423088 Method for depositing asphalt Dec. 27, 1983
4266885 Method of constructing a continuous cut-off wall and a core of a fill-type dam May. 12, 1981
4194023 Controlled deposition of asphalt emulsions Mar. 18, 1980
4192963 Grounding electrode and method of reducing the electrical resistance of soils Mar. 11, 1980
4075853 Soil injection machine Feb. 28, 1978
4073152 System for laying a subterranean water impervious asphalt layer Feb. 14, 1978
4041712 Method for reducing water loss through soil by seepage Aug. 16, 1977
4028897 Soil stabilization composition Jun. 14, 1977
4002204 Timing the deposition of an asphalt plugging material from an asphalt-cationic emulsion Jan. 11, 1977
3979916 Product and method for reducing water loss through soil by seepage Sep. 14, 1976











 
 
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