Inventor · disambiguated record
Charles W. Sandefur
Also filed as: SANDEFUR CHARLES W
10 granted patents·105 citations·filing 1971–2000
89Inventor score
Top patents by PatentIndex Score
10 records- 0189US4468230AAcid dye dispersionsMOBAY CHEMICAL CORP·Filed 1983·Granted Aug 28, 1984·25 cites·39 claims
- 0278US3986979AProcess for making combination wetting-dispersing agentWESTVACO CORP·Filed 1971·Granted Oct 19, 1976·32 cites·2 claims
- 0370US4673410AAnionic dye dispersions with enhanced cold water solubility upon dilutionMOBAY CORP·Filed 1985·Granted Jun 16, 1987·10 cites·15 claims
- 0464US6403797B1Process for the preparation of perylene pigmentsBAYER AG·Filed 2000·Granted Jun 11, 2002·5 cites·12 claims
- 0559US5922123AMethod for conditioning organic pigmentsBAYER AG·Filed 1997·Granted Jul 13, 1999·8 cites·17 claims
- 0656US4327998AProcess for manufacturing of dyestuff preparationsMOBAY CHEMICAL CORP·Filed 1981·Granted May 4, 1982·6 cites·9 claims
- 0749US5900050AMethod for conditioning organic pigmentsBAYER AG·Filed 1997·Granted May 4, 1999·13 cites·19 claims
- 0845US4802888ADry dyestuff powders with enhanced water solubilityMOBAY CORP·Filed 1987·Granted Feb 7, 1989·3 cites·9 claims
- 0937US5120858AProcess for the preparation of trimethine dyestuffsMILES INC·Filed 1991·Granted Jun 9, 1992·2 cites·18 claims
- 1028US4474577AModified acid dyestuffMOBAY CHEMICAL CORP·Filed 1983·Granted Oct 2, 1984·1 cites·23 claims
Join the waitlist — get patent alerts
Get an alert when Charles W. Sandefur files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →