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Class Information
Number: 162/153
Name: Paper making and fiber liberation > Processes and products > Mineral fiber > Asbestos
Description: Processes and products which include asbestos fiber.

Sub-classes under this class:

Class Number Class Name Patents
162/155 With organic additive 41
162/154 With portland cement 17

Patents under this class:

Patent Number Title Of Patent Date Issued
7387710 Shoe press Jun. 17, 2008
6855404 Inorganic sheet laminate Feb. 15, 2005
5053107 Ceramic staple fiber and glass fiber paper Oct. 1, 1991
4976884 Heat resistant composition processable by wet spinning Dec. 11, 1990
4879009 Method of preparing an asbestos diaphragm Nov. 7, 1989
4869793 Method of preparing an asbestos diaphragm Sep. 26, 1989
4812204 Process for obtaining boric acid treated asbestos fiber Mar. 14, 1989
4557810 Bonded asbestos diaphragms Dec. 10, 1985
4495223 Process for phosphating asbestos fibers Jan. 22, 1985
4391875 Asbestos products of improved physical properties having metal oxides on the surfaces thereof Jul. 5, 1983
4388149 Titanium coated asbestos fiber Jun. 14, 1983
4385077 Asbestos treatment with metal oxides May. 24, 1983
4356057 Phosphated asbestos fibers Oct. 26, 1982
4354900 Strengthened fiberous electrochemical cell diaphragm and a method for making Oct. 19, 1982
4309477 Asbestos treatment with metal sulfides Jan. 5, 1982
4259146 Method of heat treating chrysotile asbestos fibres Mar. 31, 1981
4252603 Preparation of asbestos fibers Feb. 24, 1981
4192707 Heat treatment of chrysotile asbestos fibres Mar. 11, 1980
4180433 Production of improved chrysotile asbestos fibres Dec. 25, 1979
4162934 Method of producing sorption bodies Jul. 31, 1979
4132590 Method of producing inorganic boards Jan. 2, 1979
4131710 Recording material containing asbestos Dec. 26, 1978
3991251 Treatment of asbestos diaphragms and resulting diaphragm Nov. 9, 1976
3985610 Water-resistant asbestos-cement Oct. 12, 1976
3957571 Surface treatment of asbestos fibers May. 18, 1976
3951735 Process for preparing gypsum board Apr. 20, 1976
3947535 Aligning fibres Mar. 30, 1976
3932208 Method of making silicate treated asbestos diaphragms for electrolytic cells Jan. 13, 1976

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