John R Root

US Patent:

20160115382, Apr 28, 2016

Filed:

Nov 24, 2015

Appl. No.:

14/950644

Inventors:

- Schenectady NY, US
William Winder Beers - Chesterland OH, US
William Erwin Cohen - Solon OH, US
Clark David Nelson - Concord Township OH, US
Jenna Marie Novak - Lyndhurst OH, US
John Matthew Root - Cleveland OH, US
James Edward Murphy - Niskayuna NY, US
Srinivas Prasad Sista - Niskayuna NY, US

International Classification:

C09K 11/61
F21K 99/00
F21V 9/16

Abstract:

A process for preparing a Mndoped phosphor of formula Iincludes gradually adding a first solution to a second solution and periodically discharging the product liquor from the reactor while volume of the product liquor in the reactor remains constant;wherein

US Patent:

20160035559, Feb 4, 2016

Filed:

Aug 1, 2014

Appl. No.:

14/449332

Inventors:

- Schenectady NY, US
John Matthew Root - Cleveland OH, US
Charles Henry Kiessling - Delaware OH, US

International Classification:

H01J 61/35
H01J 61/36
H01J 9/395
H01J 61/42
H01J 9/26
H01J 61/20
H01J 61/60

Abstract:

Fluorescent lamps that utilize mercury, and methods and materials to reduce the solubility of mercury when fluorescent lamps are disposed of in a landfill. Such a fluorescent lamp includes a transparent envelope and at least one base enclosing an interior chamber within the envelope. The base has an interior surface and a sealing portion sealed to the envelope with a cement. A gas mixture comprising mercury vapor is contained within the interior chamber, and a quantity of material is disposed on the interior surface of the base. The quantity of material is spaced apart from the sealing portion and the cement thereof, and comprises a chemical agent that substantially reduces or prevents formation of leachable mercury.