Description
PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
D21H
Technology
Stats
- 4,864 US PATENTS IN FORCE
- 2,205 US APPLICATIONS PENDING
- 1,817 Total Patent Owners
- 14,477 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 11/00 | Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only |
| 11/02 | Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only Chemical or chemomechanical pulp |
| 11/04 | Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only Chemical or chemomechanical pulp Kraft or sulfate pulp |
| 11/06 | Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only Chemical or chemomechanical pulp Sulfite or bisulfite pulp |
| 11/08 | Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only Mechanical or thermomechanical pulp |
| 11/10 | Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only Mixtures of chemical and mechanical pulp |
| 11/12 | Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse |
| 11/14 | Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only Secondary fibres (working-up waste paper D21C 5/02) |
| 11/16 | Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment |
| 11/18 | Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment Highly hydrated, swollen or fibrillatable fibres |
| 11/20 | Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment Chemically or biochemically modified fibres |
| 11/22 | Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment Chemically or biochemically modified fibres cationised |
| 13/00 | Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (chemical features in the manufacture of artificial fibres D01F) |
| 13/02 | Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (chemical features in the manufacture of artificial fibres D01F) Synthetic cellulose fibres |
| 13/04 | Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (chemical features in the manufacture of artificial fibres D01F) Synthetic cellulose fibres Cellulose ethers |
| 13/06 | Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (chemical features in the manufacture of artificial fibres D01F) Synthetic cellulose fibres Cellulose esters |
| 13/08 | Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (chemical features in the manufacture of artificial fibres D01F) Synthetic cellulose fibres from regenerated cellulose |
| 13/10 | Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (chemical features in the manufacture of artificial fibres D01F) Organic non-cellulose fibres |
| 13/12 | Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (chemical features in the manufacture of artificial fibres D01F) Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds |
| 13/14 | Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material (chemical features in the manufacture of artificial fibres D01F) Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds Polyalkenes, e.g. polystyrene |
Recent Patents
Not Available
Recent Publications
Not Available
Top Owners in This Class
| Upgrade to the Professional Level to view Top Owners for this Class.Learn More |
|---|
Applications Filed in This Class - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 37 Months (last 2 years Issuances)
- 37 Months (last 5 years Issuances)