Refine My Results

Creation Date 

1. Before 1961  (180)
2. 1961 To 1976  (922)
3. 1977 To 1992  (1,925)
4. 1993 To 2009  (2,206)
5. After 2009  (2,273)
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New Records 

1. New From Last Week  (3)
2. New From Last Month  (129)
3. More options 

Subject 

1. Production Of Cellulose  (7,049)
2. Paper-Making  (7,049)
3. Paper Not Otherwise Provided For  (5,728)
4. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (5,728)
5. Impregnating Or Coating Of Paper  (5,728)
6. Pulp Compositions  (5,728)
7. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (5,728)
8. Nailing Or Stapling Machines In General  (4,001)
9. Working Or Preserving Wood Or Similar Material  (4,001)
10. Chemistry  (2,728)
11. Metallurgy  (2,728)
12. Layered Products  (2,149)
13. Compositions Based Thereon  (1,798)
14. Their Preparation Or Chemical Working-Up  (1,798)
15. Organic Macromolecular Compounds  (1,798)
16. Chemical Or Physical Treatment Of Cork, Cane, Reed, Straw Orsimilar Materials  (1,674)
17. Flexible Materials Not Otherwise Provided For  (1,415)
18. More options 

Language 

1. English  (5,801)
2. French  (1,279)
3. Chinese  (1,059)
4. German  (1,059)
5. Finnish  (259)
6. Spanish  (215)
7. Swedish  (211)
8. Korean  (148)
9. Norwegian  (128)
10. Portuguese  (128)
11. Japanese  (118)
12. Russian  (70)
13. Italian  (67)
14. Danish  (61)
15. Dutch  (40)
16. Polish  (34)
17. Romanian  (9)
18. Hungarian  (8)
19. Czech  (6)
20. Indonesian  (5)
21. More options