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Creation Date 

1. Before 1992  (9)
2. 1992 To 1999  (15)
3. 2000 To 2006  (62)
4. 2007 To 2014  (147)
5. After 2014  (158)
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New Records 

1. New From Last Week  (4)
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Subject 

1. Paper Not Otherwise Provided For  (294)
2. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (294)
3. Impregnating Or Coating Of Paper  (294)
4. Pulp Compositions  (294)
5. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (294)
6. Methods Of Producing Paper Thereon  (104)
7. Paper-Making Machines  (104)
8. Regeneration Of Pulping Liquors  (93)
9. Apparatus Therefor  (93)
10. Production Of Cellulose By Removing Non-Cellulose Substancesfrom Cellulose-Containing Materials  (93)
11. Fibrous Raw Materials Or Their Mechanical Treatment  (70)
12. Transporting  (58)
13. Performing Operations  (58)
14. Human Necessities  (38)
15. Metallurgy  (24)
16. Chemistry  (24)
17. Treatment Of The Materials Before Passing To The Paper-Makingmachine  (20)
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Language 

1. English  (369)
2. Korean  (161)
3. Chinese  (127)
4. French  (11)
5. German  (3)
6. Spanish  (1)
7. Japanese  (1)
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