MICHAEL L NICHOLS, O.D.
Optometry at Keene St, Columbia, MO

5137780, Aug 11, 1992

Nov 21, 1989

7/439491

Michael F. Nichols - Columbia MO
Allen W. Hahn - Columbia MO

The Curators of the University of Missouri - Columbia MO

B32B 2708

428336

A process for applying an adherent electrically insulative moisture-resistant composite coating to a substrate. A thin, adherent, highly cross-linked, substantially liquid moisture-impervious primer coating is provided on the substrate by glow discharge polymerization of a low molecular weight hydrocarbon monomer in a low pressure chamber containing the substrate, the monomer being selected from among methane, ethane, propane, ethylene, and propylene. A second polymeric coating layer is provided over the primer coating by glow discharge polymerization of a second precursor comprising a hydrocarbon or substituted hydrocarbon. The precursor exhibits a hydrogen yield of not greater than about 0. 75 hydrogen atoms per molecule under the glow discharge polymerization conditions under which the second layer is deposited, whereby the second polymeric coating layer is substantially resilient and strongly bonded to the primer coating and the second layer comprises a high concentration of surface and bulk free radicals. An article produced by the process and an apparatus for carrying out the process are also disclosed.

4390405, Jun 28, 1983

Jun 23, 1981

6/276713

Allen W. Hahn - Columbia MO
Michael F. Nichols - Columbia MO
Ashok K. Sharma - Rolla MO
Eckhard W. Hellmuth - Kansas City MO

Curators of the University of Missouri - Columbia MO

B05D 306, G01N 2730

204415

An oxygen electrode adapted for use for polarographic, galvanometric or amperometric analyses, that is resistant to poisoning and effective for accurate, reproducible current and voltage measurements. The electrode comprises a conductive sensing member having a working surface which is comprised of a metal that catalyzes the cathodic reduction of oxygen and which is adapted to communicate with an oxygen-containing environment for carrying out such reduction. At the working surface is a layer of an oxide of the aforesaid metal. An insulating jacket covers all of the member except the working surface. There is a thin polymeric coating over said oxide layer and securely adhered to the working surface. The coating comprises a polymer produced by glow discharge polymerization of an aliphatic hydrocarbon and has such properties as to permit the reduction of oxygen at the electrode by electrons supplied at the working surface through the conductive member. A method for preparing the electrode is also disclosed.

4921723, May 1, 1990

Oct 16, 1987

7/109079

Michael F. Nichols - Columbia MO
Allen W. Hahn - Columbia MO

The Curators of the University of Missouri - Columbia MO

B05D 306

427 41

A process for applying an adherent electrically insulative moisture-resistant composite coating to a substrate. A thin, adherent, highly cross-linked, substantially liquid moisture-impervious primer coating is provided on the substrate by glow discharge polymerization of a low molecular weight hydrocarbon monomer in a low pressure chamber containing the substrate, the monomer being selected from among methane, ethane, propane, ethylene, and propylene. A second polymeric coating layer is provided over the primer coating by glow discharge polymerization of a second precursor comprising a hydrocarbon or substituted hydrocarbon. The precursor exhibits a hydrogen yield of not greater than about 0. 75 hydrogen atoms per molecule under the glow discharge polymerization conditions under which the second layer is deposited, whereby the second polymeric coating layer is substantially resilient and strongly bonded to the primer coating and the second layer comprises a high concentration of surface and bulk free radicals.

4312734, Jan 26, 1982

Feb 19, 1980

6/122370

Michael F. Nichols - Columbia MO

The Curators of the University of Missouri - Columbia MO

G01N 2736

204195G

A dry glass electrode for use in potentiometric analyses of aqueous media. The electrode comprises a metal conductor constituted of platinum, gold, or tantalum, a layer comprising an oxide of the metal having a thickness of between about 50 Angstrom units and about 2 microns on an outer surface of the metal conductor, and an ion-selective glass membrane over and in electrical contact with the oxide layer. The ion-selective glass has a coefficient of thermal expansion differing by less than about 25% from the coefficient of thermal expansion of the metal. A method for producing the electrode of the invention is also disclosed.

4384927, May 24, 1983

Oct 19, 1981

6/312762

Michael F. Nichols - Columbia MO

The Curators of the University of Missouri - Columbia MO

C25D 534, G01N 2736

204 32R

A dry glass electrode for use in potentiometric analyses of aqueous media. The electrode comprises a metal conductor constituted of platinum, gold, or tantalum, a layer comprising an oxide of the metal having a thickness of between about 50 Angstrom units and about 2 microns on an outer surface of the metal conductor, and an ion-selective glass membrane over and in electrical contact with the oxide layer. The ion-selective glass has a coefficient of thermal expansion differing by less than about 25% from the coefficient of thermal expansion of the metal. A method for producing the electrode of the invention is also disclosed.