Stable aqueous suspension concentrate for delivery of UV-labile water-insoluble biocides

US9044010B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9044010-B2
Application numberUS-96662310-A
CountryUS
Kind codeB2
Filing dateDec 13, 2010
Priority dateMar 24, 2006
Publication dateJun 2, 2015
Grant dateJun 2, 2015

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  1. Title

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  2. Abstract

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  4. Key dates

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  5. First independent claim

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Abstract

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A stable, aqueous suspension concentrate which includes a solid polymeric dispersant comprising one or more anionic polymeric dispersing agents, optionally a co-dispersant which preferably is a homopolymer and/or a copolymer of a heterocyclic vinyl lactam, preferably in a wt. ratio of 0.1:1 to 1:0.1, a UV-labile, water-insoluble biocide active, and a UV-blocker or UV-absorber to stabilize said active upon storage and/or exposure to sunlight or UV radiation.

First claim

Opening claim text (preview).

What is claimed is: 1. A stable, aqueous suspension concentrate which includes a solid polymeric dispersant comprising one or more anionic polymeric dispersing agents and a polyvinyl pyrrolidone co-dispersant, wherein said anionic polymeric dispersing agent and said co-dispersant are present in a wt. ratio of 0.1:1 to 1:0.1, and further comprising iodopropargyl butyl carbamate (IPBC) and titanium dioxide wherein said IPBC is stable upon storage and/or exposure to sunlight or UV rad…

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What does patent US9044010B2 cover?
A stable, aqueous suspension concentrate which includes a solid polymeric dispersant comprising one or more anionic polymeric dispersing agents, optionally a co-dispersant which preferably is a homopolymer and/or a copolymer of a heterocyclic vinyl lactam, preferably in a wt. ratio of 0.1:1 to 1:0.1, a UV-labile, water-insoluble biocide active, and a UV-blocker or UV-absorber to stabilize said …
Who is the assignee on this patent?
Liu Xianbin, Winkowski Karen, Narayanan Kolazi S, and 2 more
What technology area does this patent fall under?
Primary CPC classification A01N25/04. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Jun 02 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).