GRACE DEARBORN INC.
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Feb 14, 1995 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 170 Total Citation Count
- Nov 02, 1979 Earliest Filing
- 8 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
| Upgrade to the Professional Level to View Top Patents for this Owner. Learn More |
Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5314660 Use of cationic alkyl-phosphonium salts as corrosion inhibitors in open recirculating systemsExpiredJan 28, 93May 24, 94[C23F]
4995944 Controlling deposits on paper machine felts using cationic polymer and cationic surfactant mixtureExpiredAug 09, 90Feb 26, 91[D21H, D21F]
4781839 Method for flocculating and removing solids suspended in waterExpiredOct 08, 87Nov 01, 88[C02F]
4734216 Composition and method for flocculating and removing solids suspended in waterExpiredAug 19, 86Mar 29, 88[C02F]
Top Inventors for This Owner
| Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More |
We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!
We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.