US2006093669A1PendingUtilityA1

Calcium hypochlorite blended tablets

45
Individually held — no corporate assignee on recordPriority: Apr 2, 2003Filed: Dec 21, 2005Published: May 4, 2006
Est. expiryApr 2, 2023(expired)· nominal 20-yr term from priority
Inventors:James P. BrennanPaul Loomis
C01B 11/06
45
PatentIndex Score
0
Cited by
0
References
0
Claims

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 hypochlorite and magnesium sulfate heptahydrate and the average dissolving rate of the tablet is less than 150 grams per day.

Claims

exact text as granted — not AI-modified
1 . A tablet comprising a homogeneous mixture of hydrated calcium hypochlorite with magnesium sulfate heptahydrate, wherein the mixture contains at least about 17% by weight of water based on the total weight of the mixture; wherein the average dissolving rate of the tablet is less than 150 grams per day; and wherein the tablet is a non-Division 5.1 Oxidizer.  
   
   
       2 . The tablet of  claim 1  wherein the mixture 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 mixture 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 mixture is from about 18% to about 24% by weight of the mixture.  
   
   
       5 . The tablet of  claim 1  wherein the average dissolving rate is less than about 100 grams per day.  
   
   
       6 . A tablet consisting essentially of a homogeneous mixture 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 mixture; wherein the average dissolving rate of the blend is less than 150 grams per day; and wherein the tablet is a non-Division 5.1 Oxidizer.  
   
   
       7 . The tablet of  claim 6  wherein the mixture contains at least 25% by weight of magnesium sulfate heptahydrate and less than about 75% by weight of hydrated calcium hypochlorite.  
   
   
       8 . The tablet of  claim 7  wherein the mixture contains about 25% to about 40% by weight of magnesium sulfate heptahydrate and about 60% to about 75% of hydrated calcium hypochlorite.  
   
   
       9 . The tablet of  claim 8  wherein the amount of water in the mixture is about 18% to about 24% by weight of the mixture.  
   
   
       10 . The tablet of  claim 9  wherein the average dissolving rate is less than 100 grams per day.  
   
   
       11 . A non-Division 5.1 Oxidizer tablet consisting essentially of a blend containing hydrated calcium hypochlorite with magnesium sulfate heptahydrate, wherein the tablet contains at least 17% by weight water, based on the total weight of the blend; wherein the dissolving rate of the tablet is less than 150 grams per day.  
   
   
       12 . The tablet of  claim 11  wherein the blend contains at least 25% by weight of magnesium sulfate heptahydrate and less than about 75% by weight of hydrated calcium hypochlorite.  
   
   
       13 . The tablet of  claim 11  wherein the blend contains about 25% to about 40% by weight of magnesium sulfate heptahydrate and about 60% to about 75% of hydrated calcium hypochlorite.  
   
   
       14 . The tablet of  claim 11  wherein the amount of water in the blend is from about 18% to about 24% by weight of the tablet.  
   
   
       15 . The tablet of  claim 11  wherein the average dissolving rate is less than about 100 grams per day.  
   
   
       16 . A tablet comprising a blend containing hydrated calcium hypochlorite with magnesium sulfate heptahydrate, wherein the tablet contains at least 17% by weight water, based on the total weight of the tablet; wherein the average dissolving rate of the tablet is less than 150 grams per day; and wherein the tablet is a non-Division 5.1 Oxidizer.  
   
   
       17 . The tablet of  claim 16  wherein the tablet contains at least 25% by weight of magnesium sulfate heptahydrate and less than about 75% by weight of hydrated calcium hypochlorite.  
   
   
       18 . The tablet of  claim 16  wherein the tablet contains about 25% to about 40% by weight of magnesium sulfate heptahydrate and about 60% to about 75% of hydrated calcium hypochlorite.  
   
   
       19 . The tablet of  claim 16  wherein the amount of water in the tablet is from about 18% to about 24% by weight of the tablet.  
   
   
       20 . The tablet of  claim 16  wherein the average dissolving rate is less than about 100 grams per day.  
   
   
       21 . A tablet consisting essentially of a blend comprising hydrated calcium hypochlorite with magnesium sulfate heptahydrate, wherein the tablet contains at least 17% by weight water, based on the total weight of the tablet; wherein the average dissolving rate of the tablet is less than 150 grams per day; and the tablet is a non-Division 5.1 Oxidizer.  
   
   
       22 . The tablet of  claim 21  wherein the tablet contains at least 25% by weight of magnesium sulfate heptahydrate and less than about 75% by weight of hydrated calcium hypochlorite.  
   
   
       23 . The tablet of  claim 21  wherein the tablet contains about 25% to about 40% by weight of magnesium sulfate heptahydrate and about 60% to about 75% of hydrated calcium hypochlorite.  
   
   
       24 . The tablet of  claim 21  wherein the amount of water in the tablet is from about 18% to about 24% by weight of the tablet.  
   
   
       25 . The tablet of  claim 21  wherein the average dissolving rate is less than about 100 grams per day.  
   
   
       26 . A tablet containing a blend comprising hydrated calcium hypochlorite with magnesium sulfate heptahydrate, wherein the tablet contains at least 17% by weight water, based on the total weight of the tablet; wherein the average dissolving rate of the tablet is less than 150 grams per day; and wherein the tablet is a non-Division 5.1 Oxidizer.  
   
   
       27 . The tablet of  claim 26  wherein the tablet contains at least 25% by weight of magnesium sulfate heptahydrate and less than about 75% by weight of hydrated calcium hypochlorite.  
   
   
       28 . The tablet of  claim 26  wherein the tablet contains about 25% to about 40% by weight of magnesium sulfate heptahydrate and about 60% to about 75% of hydrated calcium hypochlorite.  
   
   
       29 . The tablet of  claim 26  wherein the amount of water in the tablet is from about 18% to about 24% by weight of the tablet.  
   
   
       30 . The tablet of  claim 26  wherein the average dissolving rate is less than about 100 grams per day.  
   
   
       31 . A tablet containing a blend consisting essentially of hydrated calcium hypochlorite with magnesium sulfate heptahydrate, wherein the tablet contains at least 17% by weight water, based on the total weight of the tablet; wherein the average dissolving rate of the tablet is less than 150 grams per day; and wherein the tablet is a non-Division 5.1 Oxidizer.  
   
   
       32 . The tablet of  claim 31  wherein the tablet contains at least 25% by weight of magnesium sulfate heptahydrate and less than about 75% by weight of hydrated calcium hypochlorite.  
   
   
       33 . The tablet of  claim 31  wherein the tablet contains about 25% to about 40% by weight of magnesium sulfate heptahydrate and about 60% to about 75% of hydrated calcium hypochlorite.  
   
   
       34 . The tablet of  claim 31  wherein the amount of water in the tablet is from about 18% to about 24% by weight of the tablet.  
   
   
       35 . The tablet of  claim 31  wherein the average dissolving rate is less than about 100 grams per day.

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