Oxygen generating candles
First Claim
Patent Images
1. An oxygen candle comprising an alkali metal chlorate, iron, a fiber binder and containing between about 2 and 6% of a metal ferrate in which the iron has a valence greater than +3 and in which the metal is an alkaline earth metal having an atomic number between 12 and 56, or a transition metal selected from manganese, cobalt, nickel or zinc.
1 Assignment
0 Petitions
Accused Products
Abstract
Alkaline earth metal and transition metal ferrates are used as burning catalysts and chlorine scavengers in chlorate candle oxygen generating compositions.
28 Citations
6 Claims
- 1. An oxygen candle comprising an alkali metal chlorate, iron, a fiber binder and containing between about 2 and 6% of a metal ferrate in which the iron has a valence greater than +3 and in which the metal is an alkaline earth metal having an atomic number between 12 and 56, or a transition metal selected from manganese, cobalt, nickel or zinc.
Specification
-
- Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
-
Current AssigneeMine Safety Appliances Company (MSA Safety, Inc.)
-
Original AssigneeMine Safety Appliances Company (MSA Safety, Inc.)
-
InventorsGreer, John S.
-
Primary Examiner(s)Stoll, Robert L.
-
Assistant Examiner(s)ANTHONY, JOSEPH DAVID
-
Application NumberUS07/414,323Time in Patent Office718 DaysField of Search252/186.21, 252/187.31, 252/62.62, 423/594, 423/632US Class Current252/187.31CPC Class CodesC01B 13/0218 Chlorate
