OMNOVA SOLUTIONS INC Active Patents
1 granted patents the USPTO still lists as patented, newest filing first, as the USPTO Open Data Portal records them; the company is the first-named applicant. The application number opens the full record at Patent Center.
- 2021-12-13: Application 17618540; Invention HYDROCARBON SWELLING PARTICLES FOR WELLBORE CEMENTING; Applicant OMNOVA Solutions Inc.; Status Patented Case.
| Filed | Application | Invention | Applicant | Status | Granted | Patent | Published as | Inventor name | Inventor country | Examiner |
|---|---|---|---|---|---|---|---|---|---|---|
| 2021-12-13 | 17618540 | HYDROCARBON SWELLING PARTICLES FOR WELLBORE CEMENTING | OMNOVA Solutions Inc. | Patented Case | 2025-04-29 | 12286586 | US20220363973A1 | Juergen Heidlas Bertrand Guichard Patrick Vongphouthone Douglas J. Harrison AJ Marino | United States France France United States United States | HUHN, RICHARD A |