Assignee
HAMPSHIRE CHEMICAL CORP
US·42 granted patents·890 citations·filing 1990–2002
Top patents by PatentIndex Score
42 records- 0197US5284972AN-acyl-N,N',N'-ethylenediaminetriacetic acid derivatives and process of preparing sameHAMPSHIRE CHEMICAL CORP·Filed 1993·Granted Feb 8, 1994·109 cites·5 claims
- 0296US5296518AHydrophilic polyurethaneurea foams containing no toxic leachable additives and method to produce such foamsHAMPSHIRE CHEMICAL CORP·Filed 1991·Granted Mar 22, 1994·110 cites·24 claims
- 0390US5843866APesticidal compositions comprising solutions of polyurea and/or polyurethaneHAMPSHIRE CHEMICAL CORP·Filed 1996·Granted Dec 1, 1998·76 cites·17 claims
- 0490US5688981AEthylenediaminetriacetic acid and N-acyl ethylenediaminetriacetic acid silver chelating agents and surfactantsHAMPSHIRE CHEMICAL CORP·Filed 1996·Granted Nov 18, 1997·39 cites·13 claims
- 0585US5985798AN-acyl sarcosinates as glyphosate adjuvantsHAMPSHIRE CHEMICAL CORP·Filed 1998·Granted Nov 16, 1999·36 cites·15 claims
- 0684US5962717APlant micronutrient chelating surfactant compoundsHAMPSHIRE CHEMICAL CORP·Filed 1999·Granted Oct 5, 1999·41 cites·3 claims
- 0784US5266323ADegradable articles and methods of using such articles as degradable baitHAMPSHIRE CHEMICAL CORP·Filed 1991·Granted Nov 30, 1993·41 cites·16 claims
- 0883US5710295APreparation of alkali metal acyl amino acidsHAMPSHIRE CHEMICAL CORP·Filed 1995·Granted Jan 20, 1998·30 cites·9 claims
- 0983US5449822APreparation of ethylenediaminetriacetic acidHAMPSHIRE CHEMICAL CORP·Filed 1993·Granted Sep 12, 1995·19 cites·16 claims
- 1082US5250728APreparation of ethylenediaminetriacetic acidHAMPSHIRE CHEMICAL CORP·Filed 1991·Granted Oct 5, 1993·39 cites·10 claims
- 1179US5270044ADegradable articles and methods of using such articles as degradable baitHAMPSHIRE CHEMICAL CORP·Filed 1991·Granted Dec 14, 1993·25 cites·3 claims
- 1277US5821215AN-acyl ethylenediaminetriacetic acid surfactants as enzyme compatible surfactants, stabilizers and activatorsHAMPSHIRE CHEMICAL CORP·Filed 1996·Granted Oct 13, 1998·31 cites·8 claims
- 1373US6365772B1Facile synthesis of phosphonomethylglycine from phosphonomethyliminodiacetic acidHAMPSHIRE CHEMICAL CORP·Filed 1995·Granted Apr 2, 2002·17 cites·22 claims
- 1473US5993504APlant micronutrient chelating surfactant compoundsHAMPSHIRE CHEMICAL CORP·Filed 1997·Granted Nov 30, 1999·24 cites·6 claims
- 1572US6358293B1Methods for rendering high concentrations of manganese safe for plant growth and formulations for sameHAMPSHIRE CHEMICAL CORP·Filed 1999·Granted Mar 19, 2002·23 cites·32 claims
- 1672US5543383AHerbicidal compositions comprising solutions of glyphosate and polyurea and/or polyurethaneHAMPSHIRE CHEMICAL CORP·Filed 1994·Granted Aug 6, 1996·20 cites·17 claims
- 1771US5235089AProcess for the preparation of 3-cyano-3,5,5-trimethylcyclohexanoneHAMPSHIRE CHEMICAL CORP·Filed 1992·Granted Aug 10, 1993·13 cites·28 claims
- 1870US5362412ABiodegradable bleach stabilizers for detergentsHAMPSHIRE CHEMICAL CORP·Filed 1991·Granted Nov 8, 1994·33 cites·17 claims
- 1967US5312972AConversion of hydroxymethyl-iminodiacetic acid to phosphonomethyl-iminodiacetic acidHAMPSHIRE CHEMICAL CORP·Filed 1992·Granted May 17, 1994·11 cites·12 claims
- 2066US5973192AThioglycerol derivatives and their use in polysulfide compositions for optical materialHAMPSHIRE CHEMICAL CORP·Filed 1997·Granted Oct 26, 1999·13 cites·12 claims
- 2164US5278342AVapor phase chlorination of difluoromethyl methyl etherHAMPSHIRE CHEMICAL CORP·Filed 1993·Granted Jan 11, 1994·9 cites·11 claims
- 2261US6057277AN-acyl ethylenediaminetriacetic acid surfactants as enzyme compatible surfactants, stabilizers and activatorsHAMPSHIRE CHEMICAL CORP·Filed 1998·Granted May 2, 2000·16 cites·8 claims
- 2358US5686391ASarcosinates as fluazifop-butyl adjuvants and activatorsHAMPSHIRE CHEMICAL CORP·Filed 1995·Granted Nov 11, 1997·9 cites·16 claims
- 2458US5462536AProtein nonadsorptive membranes for wound dressingsHAMPSHIRE CHEMICAL CORP·Filed 1993·Granted Oct 31, 1995·49 cites·27 claims
- 2558US5274151AProcess for the preparation of solid iron (III) complexesHAMPSHIRE CHEMICAL CORP·Filed 1992·Granted Dec 28, 1993·7 cites·3 claims
- 2655US6642177B1Sarcoslnates as glufosinate adjuvantsHAMPSHIRE CHEMICAL CORP·Filed 2002·Granted Nov 4, 2003·1 cites·19 claims
- 2751US5391820APreparation of 3-mercaptopropionitrile and 3-mercaptopropionic acidHAMPSHIRE CHEMICAL CORP·Filed 1994·Granted Feb 21, 1995·5 cites·10 claims
- 2849US5446179AProcess for the preparation of micronutrient blendsHAMPSHIRE CHEMICAL CORP·Filed 1993·Granted Aug 29, 1995·7 cites·16 claims
- 2949US5386043ANon-aqueous neutralization of N-acyl sarcosinesHAMPSHIRE CHEMICAL CORP·Filed 1994·Granted Jan 31, 1995·3 cites·5 claims
- 3048US6118022ASynthesis of phosphonomethyliminodiacetic acid with reduced effluentHAMPSHIRE CHEMICAL CORP·Filed 1999·Granted Sep 12, 2000·4 cites·9 claims
- 3147US5338530ARecovery of glycine and Glauber's salt from waste crystal liquorsHAMPSHIRE CHEMICAL CORP·Filed 1990·Granted Aug 16, 1994·5 cites·30 claims
- 3245US5543055APurifications of flourinated dimethyl ethersHAMPSHIRE CHEMICAL CORP·Filed 1995·Granted Aug 6, 1996·3 cites·8 claims
- 3340US6503873B1Ultra mild detergent compositionsHAMPSHIRE CHEMICAL CORP·Filed 1998·Granted Jan 7, 2003·8 cites·18 claims
- 3439US5811584APreparation of tetramethylethylenediamineHAMPSHIRE CHEMICAL CORP·Filed 1997·Granted Sep 22, 1998·2 cites·12 claims
- 3539US5446211AChlorination of difluoromethyl methyl etherHAMPSHIRE CHEMICAL CORP·Filed 1994·Granted Aug 29, 1995·2 cites·13 claims
- 3636US5328629AProcess for producing a synthetic detergent soap base from n-acyl sarcosineHAMPSHIRE CHEMICAL CORP·Filed 1992·Granted Jul 12, 1994·4 cites·7 claims
- 3735US5763661APreparation of acylated α-amino carboxylic acid amidesHAMPSHIRE CHEMICAL CORP·Filed 1997·Granted Jun 9, 1998·2 cites·9 claims
- 3835US5324864ASynthesis of fluoromethyl etherHAMPSHIRE CHEMICAL CORP·Filed 1992·Granted Jun 28, 1994·3 cites·20 claims
- 3928US5616772AMethod of stabilizing nitrilesHAMPSHIRE CHEMICAL CORP·Filed 1995·Granted Apr 1, 1997·0 cites·10 claims
- 4026US6066758AThioglycerol derivatives and their use in polysulfide compositions for optical materialHAMPSHIRE CHEMICAL CORP·Filed 1999·Granted May 23, 2000·0 cites·4 claims
- 4122US5242834AAnalysis of aluminum in amino acids by high performance liquid chromatographyHAMPSHIRE CHEMICAL CORP·Filed 1991·Granted Sep 7, 1993·1 cites·5 claims
- 4214US5473088ADirect neutralization of N-acyl sarcosinesHAMPSHIRE CHEMICAL CORP·Filed 1994·Granted Dec 5, 1995·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when HAMPSHIRE CHEMICAL CORP 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 →