IP Library Granted Patent US 11,897,764
Granted Patent B2
US 11,897,764 · App. 17/550,448 · Granted Feb 13, 2024

Porphyrazines as efficient, catalytic and scalable method to produce chlorine dioxide

Inventors: John T. Groves (Princeton, NJ); Roy Xiao (Princeton, NJ)
Assignee: THE TRUSTEES OF PRINCETON UNIVERSITY
C01B11/024A61L2/18B01J31/2295B01J31/26C07F15/025D21C9/14B01J31/183B01J31/1815B01J2531/025B01J2531/842C02F1/76C02F2103/023C02F2303/04
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,897,764
App. No.
17/550,448
Granted
Feb 13, 2024
Kind
B2
Abstract

Methods, kits, cartridges, and compounds related to generating chlorine dioxide by exposing ClO 2 − to at least one of an iron porphyrin catalyst or an iron porphyrazine catalyst are described.

Claims (20)

1. A cartridge comprising a housing and at least one of a manganese porphyrin catalyst or a manganese porphyrazine catalyst in the housing, wherein the cartridge is adapted to allow reactants to contact the at least one of a manganese porphyrin catalyst or a manganese porphyrazine catalyst, and the cartridge further comprises at least one of the reactants or a source of ClO 2 − , and the reactants comprise ClO 2 − .

2. The cartridge of claim 1 , wherein the cartridge comprises the reactants.

3. The cartridge of claim 2 , wherein the ClO 2 − is in the form of chlorite salts.

4. The cartridge of claim 2 , wherein the ClO 2 − is mixed with a solid filler.

5. The cartridge of claim 2 , wherein the ClO 2 − is adsorbed on at least one substance selected from the group consisting of clay, silica, alumina and organic polymers.

6. The cartridge of claim 1 , wherein at least one of the manganese porphyrin catalyst or the manganese porphyrazine catalyst is adsorbed on a solid support.

7. The cartridge of claim 1 comprising the source of ClO 2 − , wherein the at least one of the manganese porphyrin catalyst or the manganese porphyrazine catalyst and the source of ClO 2 − are separated by an interface.

8. The cartridge of claim 7 , wherein the interface is a solid material configured to allow mixing of the at least one of the manganes porphyrin catalyst or the manganese porphyrazine catalyst with the source of ClO 2 − upon mechanical disruption of the interface.

9. The cartridge of claim 8 , wherein the source of ClO 2 − is a chlorite salt.

10. The cartridge of claim 8 wherein the mechanical disruption includes breaking of the solid material.

11. The cartridge of claim 8 , wherein the mechanical disruption includes dissolution of the solid material.

12. The cartridge of claim 1 comprising the source of ClO 2 − , wherein the housing includes a first compartment and a second compartment, and the at least one of a manganese porphyrin catalyst or a manganese porphyrazine catalyst is in the first compartment and the source is in the second compartment.

13. The cartridge of claim 12 , wherein at least one of the manganese porphyrin catalyst or the manganese porphyrazine catalyst is adsorbed on a solid support.

14. A kit for generating chlorine dioxide comprising a catalyst selected from at least one a manganese porphyrin catalyst, and a manganese porphyrazine catalyst, and instructions to combine the catalyst with ClO 2 − .

15. The kit of claim 14 , wherein the ClO 2 − is in the form of at least one substance selected from the group consisting of chlorite salts.

16. The kit of claim 14 , wherein the ClO 2 − in the form of at least one substance selected from the group consisting of sodium chlorite, potassium chlorite, calcium chlorite and magnesium chlorite.

17. The kit of claim 14 , wherein the ClO 2 − is mixed with a solid filler.

18. The kit of claim 14 , wherein the ClO 2 − is adsorbed on at least one substance selected from the group consisting of clay, silica, alumina and organic polymers.

19. The kit of claim 14 , wherein at least one of the manganese porphyrin catalyst and the manganese porphyrazine catalyst is adsorbed on a solid support.

20. The kit of claim 19 , wherein the solid support includes a substance selected from the group consisting of clay, silica, alumina, glass beads, functionalized polystyrene or organic polymers.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 14, 2022
From: GROVES, JOHN T.; XIAO, ROY
To: THE TRUSTEES OF PRINCETON UNIVERSITY
Reel/Frame 059257/0851 →
Continuity (7)
Continuation 16400277 · May 1, 2019
Continuation 15228629 · Aug 4, 2016
Continuation In Part 13818575
Provisional Application 62200973 · Aug 4, 2015
Provisional Application 61504460 · Jul 5, 2011
Provisional Application 61376052 · Aug 23, 2010
Related Publication 20220098037A1 · Mar 31, 2022