Assignee
HELENA CHEMICAL COMPANY
US·9 granted patents·1 pending application·432 citations·filing 1990–2004
Top patents by PatentIndex Score
10 records- 0194US5877112AAgricultural formulationHELENA CHEMICAL COMPANY·Filed 1997·Granted Mar 2, 1999·92 cites·26 claims
- 0292US5393791AHomogeneous, essentially nonaqueous adjuvant compositions with buffering capabilityHELENA CHEMICAL COMPANY·Filed 1992·Granted Feb 28, 1995·67 cites·20 claims
- 0389US6541424B2Manufacture and use of a herbicide formulationHELENA CHEMICAL COMPANY·Filed 2001·Granted Apr 1, 2003·39 cites·61 claims
- 0486US5580567AHomogeneous, essentially nonaqueous adjuvant compositions with buffering capabilityHELENA CHEMICAL COMPANY·Filed 1995·Granted Dec 3, 1996·75 cites·30 claims
- 0584US5178795AHomogeneous, essentially nonaqueous adjuvant compositions with buffering capabilityHELENA CHEMICAL COMPANY·Filed 1990·Granted Jan 12, 1993·47 cites·9 claims
- 0683US6232272B1Manufacture and use of herbicide chlorinated phenoxy formulationHELENA CHEMICAL COMPANY·Filed 1999·Granted May 15, 2001·32 cites·22 claims
- 0783US5906961AAlkanolamide spreader-sticker surfactant combinationHELENA CHEMICAL COMPANY·Filed 1997·Granted May 25, 1999·46 cites·27 claims
- 0873US5234919AWater soluble, highly active dimethoate formulations in an alcohol/ester solvent systemHELENA CHEMICAL COMPANY·Filed 1991·Granted Aug 10, 1993·18 cites·10 claims
- 0968USRE37313EHomogeneous, essentially nonaqueous adjuvant compositions with buffering capabilityHELENA CHEMICAL COMPANY·Filed 1998·Granted Aug 7, 2001·16 cites·32 claims
- 1055US2004211234A1Manufacture and use of an deposition aidHELENA CHEMICAL COMPANY·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when HELENA CHEMICAL COMPANY 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 →