Invention Grant
- Patent Title: Calcium hypochlorite compositions comprising zinc salts and lime
- Patent Title (中): 次氯酸钙组合物，包含锌盐和石灰
-
Application No.: US13065869Application Date: 2011-03-31
-
Publication No.: US08372291B2Publication Date: 2013-02-12
- Inventor: Richard M. Mullins , Michael J. Unhoch
- Applicant: Richard M. Mullins , Michael J. Unhoch
- Applicant Address: US GA Atlanta
- Assignee: Arch Chemicals, Inc.
- Current Assignee: Arch Chemicals, Inc.
- Current Assignee Address: US GA Atlanta
- Agency: Lucas & Mercanti, LLP
- Main IPC: C01B11/06
- IPC: C01B11/06 ; C02F1/76
Abstract:
The present invention is directed to a water treatment composition, comprising: 35-95 wt % calcium hypochlorite; 1 to 50 wt % magnesium sulfate or a hydrate thereof; 0.1 to 10 wt % lime; and 0.1 to 55 wt % of a water soluble zinc salt or a hydrate thereof; wherein the weight percents are based on the total weight of the composition. The present invention is also directed to a water treatment tablet, comprising 35-95 wt % calcium hypochlorite; 1 to 50 wt % magnesium sulfate or a hydrate thereof; 0.1 to 10 wt % lime; and 0.1 to 10 wt % of a water soluble zinc salt or a hydrate thereof; wherein the weight percents are based on the total weight of the composition. Methods of treating recreational water using the compositions are also disclosed.
Public/Granted literature
- US20110233145A1 Calcium hypochlorite compositions comprising zinc salts and lime Public/Granted day:2011-09-29
Information query
