Assignee
ARCH CHEM INC
US·63 granted patents·29 pending applications·1,025 citations·filing 1992–2019
Top patents by PatentIndex Score
92 records- 0196US7026308B1Topical anti-microbial compositionsARCH CHEM INC·Filed 2000·Granted Apr 11, 2006·98 cites·25 claims
- 0293US7455851B1Pyrithione biocides enhanced by silver, copper, or zinc ionsARCH CHEM INC·Filed 2000·Granted Nov 25, 2008·46 cites·7 claims
- 0392US7410938B2Calcium hypochlorite/scale inhibitor/residue disperser triblendARCH CHEM INC·Filed 2005·Granted Aug 12, 2008·21 cites·13 claims
- 0492US6908912B2Pyrithione biocides enhanced by zinc metal ions and organic aminesARCH CHEM INC·Filed 2002·Granted Jun 21, 2005·53 cites·18 claims
- 0591US9820481B2Encapsulation of active ingredients and method of makingARCH CHEM INC·Filed 2014·Granted Nov 21, 2017·6 cites·19 claims
- 0691US5939203ADiscoloration prevention in pyrithione-containing coating compositionsARCH CHEM INC·Filed 1997·Granted Aug 17, 1999·92 cites·17 claims
- 0789US6017562ANon-spherical and non-platelet crystalline forms of pyrithione saltsARCH CHEM INC·Filed 1998·Granted Jan 25, 2000·82 cites·32 claims
- 0888US7854940B2Broad spectrum preservation blendsARCH CHEM INC·Filed 2005·Granted Dec 21, 2010·16 cites·7 claims
- 0988US6638446B1Lower reactivity blends of calcium hypochlorite and magnesium sulfateARCH CHEM INC·Filed 2002·Granted Oct 28, 2003·32 cites·8 claims
- 1087US7893047B2Biocide composition comprising pyrithione and pyrrole derivativesARCH CHEM INC·Filed 2006·Granted Feb 22, 2011·3 cites·8 claims
- 1187US6432432B1Chemical method of making a suspension, emulsion or dispersion of pyrithione particlesARCH CHEM INC·Filed 2000·Granted Aug 13, 2002·26 cites·14 claims
- 1286US6811711B2Treatment of circulating water systemsARCH CHEM INC·Filed 2001·Granted Nov 2, 2004·21 cites·10 claims
- 1385US8372291B2Calcium hypochlorite compositions comprising zinc salts and limeARCH CHEM INC·Filed 2011·Granted Feb 12, 2013·5 cites·46 claims
- 1485US6969527B2Calcium hypochlorite blended tabletsARCH CHEM INC·Filed 2004·Granted Nov 29, 2005·33 cites·14 claims
- 1584US7658844B2Apparatus for supporting chemical tabletsARCH CHEM INC·Filed 2008·Granted Feb 9, 2010·12 cites·18 claims
- 1684US7435771B2Stable antifouling paint composition containing metal salt of pyrithione and cuprous oxideARCH CHEM INC·Filed 2005·Granted Oct 14, 2008·10 cites·25 claims
- 1784US7143778B2Chemical feederARCH CHEM INC·Filed 2005·Granted Dec 5, 2006·14 cites·22 claims
- 1884US6984398B2Calcium hypochlorite blended tabletsARCH CHEM INC·Filed 2003·Granted Jan 10, 2006·29 cites·10 claims
- 1983US10244762B1Solid aquatic organism control composition and method of useARCH CHEM INC·Filed 2017·Granted Apr 2, 2019·2 cites·20 claims
- 2082US6497822B2Chemical feederARCH CHEM INC·Filed 2001·Granted Dec 24, 2002·30 cites·31 claims
- 2181US7544367B2Chemical method of making a suspension, emulsion or dispersion of pyrithione particlesARCH CHEM INC·Filed 2002·Granted Jun 9, 2009·15 cites·6 claims
- 2281US6627665B2Non-dusting copper pyrithione dispersionARCH CHEM INC·Filed 2001·Granted Sep 30, 2003·13 cites·23 claims
- 2381US6017936AMethod for producing particles of pyrithione salts and particles so producedARCH CHEM INC·Filed 1998·Granted Jan 25, 2000·53 cites·27 claims
- 2480US6750276B2Waterborne soft-feeling coating composition with high glossARCH CHEM INC·Filed 2002·Granted Jun 15, 2004·16 cites·6 claims
- 2580US5928608AIntermittant spray system for water treatmentARCH CHEM INC·Filed 1998·Granted Jul 27, 1999·69 cites·16 claims
- 2679US7927510B2Calcium hypochlorite compositions comprising zinc salts and limeARCH CHEM INC·Filed 2007·Granted Apr 19, 2011·6 cites·48 claims
- 2777US6821326B2Small particle copper pyrithioneARCH CHEM INC·Filed 2002·Granted Nov 23, 2004·17 cites·24 claims
- 2876US7704467B2Weekly floater pool sanitizerARCH CHEM INC·Filed 2005·Granted Apr 27, 2010·8 cites·5 claims
- 2975US7575673B2Method of water treatmentARCH CHEM INC·Filed 2006·Granted Aug 18, 2009·4 cites·12 claims
- 3074US9988197B2Package system for packaging and administering controlled dosages of chemical agentsARCH CHEM INC·Filed 2015·Granted Jun 5, 2018·2 cites·22 claims
- 3174US6133412AProduction of acetal derivatized hydroxyl aromatic polymers and their use in radiation sensitive formulationsARCH CHEM INC·Filed 1999·Granted Oct 17, 2000·21 cites·5 claims
- 3272US10123531B2Granular plant control compositionARCH CHEM INC·Filed 2015·Granted Nov 13, 2018·1 cites·20 claims
- 3369US6915811B2Chemical feederARCH CHEM INC·Filed 2002·Granted Jul 12, 2005·15 cites·32 claims
- 3468US9927389B2Electrochemical sensors for testing waterARCH CHEM INC·Filed 2013·Granted Mar 27, 2018·2 cites·7 claims
- 3565US8372348B2Apparatus and method for mixing a concentrated water treatment solutionARCH CHEM INC·Filed 2009·Granted Feb 12, 2013·3 cites·18 claims
- 3665US7094353B2Method of water treatmentARCH CHEM INC·Filed 2003·Granted Aug 22, 2006·11 cites·10 claims
- 3765US6653273B2Wetting agents for concrete cleaning and adhesivesARCH CHEM INC·Filed 2001·Granted Nov 25, 2003·3 cites·4 claims
- 3865US6242007B1Non-spherical and non-platelet forms of pyrithione salts and methods of making sameARCH CHEM INC·Filed 1999·Granted Jun 5, 2001·27 cites·34 claims
- 3964US6162446AIn-situ generation of zinc pyrithione in personal care compositionsARCH CHEM INC·Filed 1998·Granted Dec 19, 2000·26 cites·23 claims
- 4064US2018255785A1Compositions for algae treatment in recirculating and stagnant water systemsARCH CHEM INC·Filed 2018·Application pending·0 cites
- 4163US7273944B2Methods for producing copper ethanolamine solutionsARCH CHEM INC·Filed 2004·Granted Sep 25, 2007·6 cites·16 claims
- 4262US10241072B2Electrochemical sensors for testing waterARCH CHEM INC·Filed 2013·Granted Mar 26, 2019·1 cites·6 claims
- 4362US9156997B2Synthesis of zinc acrylate copolymer from acid functional copolymer, zinc pyrithione, and copper compoundARCH CHEM INC·Filed 2013·Granted Oct 13, 2015·0 cites·29 claims
- 4462US5929132AProcess for incorporating biocides into a liquid dispersionARCH CHEM INC·Filed 1992·Granted Jul 27, 1999·15 cites·9 claims
- 4561US9717250B2Isothiazolinone biocides enhanced by zinc ionsARCH CHEM INC·Filed 2013·Granted Aug 1, 2017·0 cites·10 claims
- 4661US6096122ADiscoloration prevention in pyrithione-containing coating compositionsARCH CHEM INC·Filed 1998·Granted Aug 1, 2000·15 cites·3 claims
- 4760US2017036931A1Methods and kits for stabilizing oxidizers and sanitizing waterARCH CHEM INC·Filed 2016·Application pending·0 cites
- 4860US2013217575A1Compositions for treating water systemsARCH CHEM INC·Filed 2013·Application pending·0 cites
- 4959US10721934B2Enhanced preservativeARCH CHEM INC·Filed 2014·Granted Jul 28, 2020·0 cites·14 claims
- 5059US6465015B1Sonic method of enhancing chemical reactions to provide uniform, non-agglomerated particlesARCH CHEM INC·Filed 1999·Granted Oct 15, 2002·21 cites·54 claims
Showing the top 50 of 92 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when ARCH CHEM INC files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →