Description
Class D21B : FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
Subclass 1/38: Fibrous raw materials or their mechanical treatment (beaters D21D 1/00) Conserving the finely-divided cellulosic material
D21B 1/38
Sub-Class
Stats
- 3 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- 1 Total Patent Owners
- 8 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12215459 | Separation of fibers | Dec 18, 19 | Feb 04, 25 | CIRCULOSE AB |
| 10724173 | Multi-density tissue towel products comprising high-aspect-ratio cellulose filaments | Jun 29, 17 | Jul 28, 20 | Mercer International Inc. |
| 10239905 | Low temperature and efficient fractionation of lignocellulosic biomass using recyclable organic solid acids | Jan 29, 18 | Mar 26, 19 | Not available |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2018/0002,864 | MULTI-DENSITY TISSUE TOWEL PRODUCTS COMPRISING HIGH-ASPECT-RATIO CELLULOSE FILAMENTS | Jun 29, 17 | Jan 04, 18 | Mercer International Inc. |
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 29 Months (last 2 years Issuances)
- 29 Months (last 5 years Issuances)