IP Library Granted Patent US 6,969,527
Granted Patent B2
US 6,969,527 · App. 10/783,210 · Granted Nov 29, 2005

Calcium hypochlorite blended tablets

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Quick Facts
Patent No.
US 6,969,527
App. No.
10/783,210
Granted
Nov 29, 2005
Kind
B2
Abstract

A non-Division 5.1 Oxidizer tablet consisting essentially of a blend of hydrated calcium hypochlorite with magnesium sulfate heptahydrate, wherein the blend contains at least about 17% by weight of water based on the total weight of the blend; contains from about 0.1% to about 10% of lime based on the total weight of the hydrated calcium hypochlorate and magnesium sulfate heptahydrate and the average dissolving rate of the tablet is less than 150 grams per day.

Claims (14)

1. A non-Division 5.1 Oxidizer tablet consisting essentially of a blend of hydrated calcium hypochlorite with magnesium sulfate heptahydrate, wherein the blend contains at least about 17% by weight of water based on the total weight of the blend; contains from about 0.1% to about 10% of lime based on the total weight of the hydrated calcium hypochlorate and magnesium sulfate heptahydrate and the average dissolving rate of the tablet is less than 150 grams per day.

2. The tablet of claim 1 wherein the composition contains at least 25% by weight of magnesium sulfate heptahydrate and less than about 75% by weight of hydrated calcium hypochlorite.

3. The tablet of claim 1 wherein the composition contains about 25% to about 40% by weight of magnesium sulfate heptahydrate and about 60% to about 75% of hydrated calcium hypochlorite.

4. The tablet of claim 1 wherein the amount of water in the composition is from about 18% to about 24% by weight of the composition.

5. The tablet of claim 1 wherein the tablet contains from about 0.5% to about 3% by weight of lime, said percentage based on the combined weight of the hydrated calcium hypochlorite and magnesium sulfate heptahydrate.

6. The tablet of claim 1 wherein the tablet contains about 1% to about 2% by weight of lime, said percentage based on the combined weight of the hydrated weight of the hydrated calcium hypochlorite and magnesium sulfate heptahydrate.

7. The tablet of claim 1 wherein the average dissolving rate is less than about 100 grams per day.

8. A non-Division 5.1 Oxidizer tablet consisting of a blend of hydrated calcium hypochlorite with magnesium sulfate heptahydrate, wherein the blend contains at least 17% by weight of water based on the total weight of the blend; contains from about 0.1 to about 10% of lime based on the total weight of the hydrated calcium hypochlorate and magnesium sulfate heptahydrate and the average dissolving rate of the blend is less than 150 grams per day.

9. The tablet of claim 8 wherein the composition contains at least 25% by weight of magnesium sulfate heptahydrate and less than about 75% by weight of hydrated calcium hypochlorite.

10. The tablet of claim 9 wherein the composition contains about 25% to about 40% by weight of magnesium sulfate heptahydrate and about 60% to about 75% of hydrated calcium hypochlorite.

11. The tablet of claim 10 wherein the amount of water in the composition is about 18% to about 24% by weight of the composition.

12. The tablet of claim 11 wherein the average dissolving rate is less than 100 grams per day.

13. The tablet of claim 12 wherein the tablet contains from about 0.5% to about 3% by weight of lime, said percentage based on the combined weight of the hydrated calcium hypochlorite and magnesium sulfate heptahydrate.

14. The tablet of claim 12 wherein the tablet contains about 1% to about 2% by weight of lime, said percentage based on the combined weight of the hydrated weight of the hydrated calcium hypochlorite and magnesium sulfate heptahydrate.

Assignments (15)
RELEASE OF SECURITY INTEREST Recorded Nov 14, 2025
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS NOTES COLLATERAL AGENT
To: BIRKO CORPORATION; DIVERSEY, INC.; DIVERSEY TASKI, INC.; INNOVATIVE WATER CARE, LLC; SOLENIS TECHNOLOGIES, L.P.
Reel/Frame 073564/0864 →
RELEASE OF 2023 NOTES PATENT SECURITY INTERESTS Recorded Oct 10, 2025
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.
To: BIRKO CORPORATION; DIVERSEY, INC.; DIVERSEY TASKI, INC.; INNOVATIVE WATER CARE, LLC; SOLENIS TECHNOLOGIES, L.P.
Reel/Frame 073074/0198 →
2023 NOTES PATENT SECURITY AGREEMENT Recorded Jul 7, 2023
From: BIRKO CORPORATION; SOLENIS TECHNOLOGIES, L.P.; INNOVATIVE WATER CARE, LLC; DIVERSEY, INC.; DIVERSEY TASKI, INC.; INNOVATIVE WATER CARE GLOBAL CORPORATION
To: BANK OF NEW YORK MELLON TRUST COMPANY, N.A.
Reel/Frame 064225/0170 →
SECURITY AGREEMENT (NOTES) Recorded Sep 14, 2022
From: SOLENIS TECHNOLOGIES, L.P.; INNOVATIVE WATER CARE, LLC
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. AS COLLATERAL AGENT
Reel/Frame 061432/0821 →
ABL PATENT SECURITY AGREEMENT Recorded Nov 10, 2021
From: INNOVATIVE WATER CARE, LLC; SOLENIS TECHNOLOGIES, L.P.
To: BANK OF AMERICA, N.A.
Reel/Frame 058102/0122 →
TERM LOAN PATENT SECURITY AGREEMENT Recorded Nov 10, 2021
From: INNOVATIVE WATER CARE, LLC; SOLENIS TECHNOLOGIES, L.P.
To: GOLDMAN SACHS BANK USA
Reel/Frame 058102/0407 →
NOTES SECURITY AGREEMENT Recorded Nov 10, 2021
From: INNOVATIVE WATER CARE, LLC; SOLENIS TECHNOLOGIES, L.P.
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.
Reel/Frame 058103/0066 →
RELEASE OF SECURITY INTEREST AT REEL 048676 FRAME 0131 Recorded Nov 9, 2021
From: BANK OF AMERICA, N.A.
To: INNOVATIVE WATER CARE, LLC
Reel/Frame 058081/0970 →
RELEASE OF SECURITY INTEREST AT REEL 048695 FRAME 0069 Recorded Nov 9, 2021
From: BANK OF AMERICA, N.A.
To: INNOVATIVE WATER CARE, LLC
Reel/Frame 058082/0191 →
RELEASE OF SECURITY INTEREST AT REEL 048682 FRAME 0494 Recorded Nov 9, 2021
From: BANK OF AMERICA, N.A.
To: INNOVATIVE WATER CARE, LLC
Reel/Frame 058082/0176 →
SECOND LIEN SECURITY AGREEMENT Recorded Mar 26, 2019
From: INNOVATIVE WATER CARE, LLC
To: BANK OF AMERICA, N.A.
Reel/Frame 048695/0069 →
FIRST LIEN SECURITY AGREEMENT Recorded Mar 25, 2019
From: INNOVATIVE WATER CARE, LLC
To: BANK OF AMERICA, N.A.
Reel/Frame 048682/0494 →
SECURITY AGREEMENT Recorded Mar 22, 2019
From: INNOVATIVE WATER CARE, LLC
To: BANK OF AMERICA, N.A.
Reel/Frame 048676/0131 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 8, 2019
From: ARCH CHEMICALS, INC.
To: INNOVATIVE WATER CARE, LLC
Reel/Frame 048546/0682 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 4, 2004
From: BRENNAN, JAMES P.; LOOMIS, PAUL S.
To: ARCH CHEMICALS, INC.
Reel/Frame 014398/0557 →