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Creation Date 

1. Before 1993  (2)
2. 1993 To 2002  (3)
3. 2003 To 2004  (3)
4. 2005 To 2015  (3)
5. After 2015  (1)
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Subject 

1. Textiles  (10)
2. Production Of Cellulose  (10)
3. Paper-Making  (10)
4. Paper Not Otherwise Provided For  (8)
5. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (8)
6. Impregnating Or Coating Of Paper  (8)
7. Pulp Compositions  (8)
8. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (8)
9. Regeneration Of Pulping Liquors  (7)
10. Apparatus Therefor  (7)
11. Production Of Cellulose By Removing Non-Cellulose Substancesfrom Cellulose-Containing Materials  (7)
12. Their Treatment, Not Covered By Other Classes  (2)
13. Fodder  (2)
14. Foods Or Foodstuffs  (2)
15. Human Necessities  (2)
16. Climate Change Mitigation Technologies In The Production Orprocessing Of Goods  (1)
17. General Tagging Of Cross-Sectional Technologies Spanning Over Several Sections Of The Ipc  (1)
18. General Tagging Of New Technological Developments  (1)
19. Fibrous Raw Materials Or Their Mechanical Treatment  (1)
20. Layered Products  (1)
21. More options