Inventor
SHERWOOD NANCY S
US11 patents
⚠️ This page may combine multiple inventors who share the name “SHERWOOD NANCY S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CALGON CORP
6 patentsUS4484631ANov 27, 1984
Use of polyampholytes to enhance oil and/or gas recovery
CALGON CORP34 citations92
US5124046AJun 23, 1992
Method for controlling calcium carbonate scaling in high pH aqueous systems
CALGON CORP31 citations91
US5457083AOct 10, 1995
Synergistic antimicrobial combination of polyether phosphonates and non-oxidizing biocides
CALGON CORP22 citations90
US5262061ANov 16, 1993
Zinc, iron and manganese stabilization using polyether polyamino methylene phosphonates
CALGON CORP23 citations89
US4867945ASep 19, 1989
Method of inhibiting the corrosion of copper and copper alloys
CALGON CORP6 citations60
US4717543AJan 5, 1988
Method of inhibiting the corrosion of copper and copper alloys
CALGON CORP6 citations60
THE FRAZER AND CRUICKSHANK LIVING TRUST DATED MAR 24 1982
2 patentsUS10479704B2Nov 19, 2019
Proppants for removal of contaminants from fluid streams and methods of using same
THE FRAZER AND CRUICKSHANK LIVING TRUST DATED MAR 24 19825 citations78
US9932244B2Apr 3, 2018
Proppants for removal of contaminants from fluid streams and methods of using same
THE FRAZER AND CRUICKSHANK LIVING TRUST DATED MAR 24 19821 citations57
THE FRAZER AND CRUICKSHANK LIVING TRUST DATED 3/24/1982
2 patentsUS10526215B2Jan 7, 2020
Selenium and other contaminants removal process
THE FRAZER AND CRUICKSHANK LIVING TRUST DATED 3/24/19821 citations46
US9725335B2Aug 8, 2017
Removal of copper from aqueous streams using an iron promoted activated alumina
THE FRAZER AND CRUICKSHANK LIVING TRUST DATED 3/24/19821 citations41