Encapsulated bleach particles for machine dishwashing compositions
Patent 4863632 Issued on September 5, 1989. Estimated Expiration Date: 
May 10, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 10, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventorsAssigneeApplicationNo. 07/192429 filed on 05/10/1988US Classes:252/186.35, Chloroisocyanurate252/186.34, Contains organohalogen compound as oxidant252/186.36, Contains free halogen or oxy-halogen acid type252/187.23, Chlorite252/187.24, Hypochlorite252/187.25, Alkali metal hypochlorite252/187.26, Sodium252/187.27, Alkaline earth metal hypochlorite252/187.28, Calcium252/187.29, With alkali metal compound252/187.3, With alkaline earth metal compound252/187.31, Chlorate or perchlorate252/187.32, Hypochlorous acid252/187.33, Oxidant contains N-Cl bond252/187.34ChloroisocyanurateExaminersPrimary: Hunt, Brooks H.Assistant: Caress, Virginia B. Attorney, Agent or FirmInternational ClassesC11D 17/00 (20060101)C11D 3/395 (20060101) AbstractA particle for releasing bleach is provided combining from 50 to 99.5% of a core consisting essentially of an oxidizing material and from 0.5 to 20% of a polycarboxylate coating surrounding the core. These particles are particularly useful in automatic dishwasher powder detergent compositions. | |
