Method of producing dissolving pulp
US-2021040688-A1 · Feb 11, 2021 · US
This page is not indexed by search engines while we improve data quality.
in presence of O2 or O3
in presence of O2 or O3 · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D21C3/045 |
| Official title | {in presence of O2 or O3} |
| Display label | in presence of O2 or O3 |
| Total patents | 3 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears stable based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process and a dissolving pulp manufactured by the process
US-10023995-B2 · Jul 17, 2018 · US
Process and a dissolving pulp manufactured by the process
US-2015136346-A1 · May 21, 2015 · US