Refine My Results

Creation Date 

1. Before 1965  (238)
2. 1965 To 1979  (1,529)
3. 1980 To 1994  (3,086)
4. 1995 To 2010  (5,544)
5. After 2010  (4,759)
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New Records 

1. New From Last Month  (230)
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Subject 

1. Paper Not Otherwise Provided For  (8,715)
2. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (8,715)
3. Impregnating Or Coating Of Paper  (8,715)
4. Pulp Compositions  (8,715)
5. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (8,715)
6. Transporting  (4,753)
7. Performing Operations  (4,753)
8. Chemistry  (4,587)
9. Metallurgy  (4,587)
10. Methods Of Producing Paper Thereon  (3,604)
11. Paper-Making Machines  (3,604)
12. Apparatus Therefor  (3,007)
13. Production Of Cellulose By Removing Non-Cellulose Substancesfrom Cellulose-Containing Materials  (2,925)
14. Regeneration Of Pulping Liquors  (2,923)
15. Compositions Based Thereon  (2,396)
16. Organic Macromolecular Compounds  (2,391)
17. Their Preparation Or Chemical Working-Up  (2,389)
18. More options 

Language 

1. English  (5,177)
2. French  (89)
3. More options