Refine My Results

Creation Date 

1. Before 1978  (12,807)
2. 1978 To 1980  (19,188)
3. 1981 To 1983  (19,258)
4. 1984 To 1987  (26,786)
5. After 1987  (30,340)
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New Records 

1. New From Last Month  (1,127)
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Subject 

1. Paper Not Otherwise Provided For  (45,891)
2. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (45,891)
3. Impregnating Or Coating Of Paper  (45,891)
4. Pulp Compositions  (45,891)
5. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (45,891)
6. Transporting  (35,157)
7. Performing Operations  (35,157)
8. Methods Of Producing Paper Thereon  (29,511)
9. Paper-Making Machines  (29,511)
10. Chemistry  (26,436)
11. Metallurgy  (26,436)
12. Apparatus Therefor  (21,541)
13. Regeneration Of Pulping Liquors  (21,080)
14. Production Of Cellulose By Removing Non-Cellulose Substancesfrom Cellulose-Containing Materials  (21,080)
15. Compositions Based Thereon  (14,320)
16. Their Preparation Or Chemical Working-Up  (14,320)
17. Organic Macromolecular Compounds  (14,320)
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Language 

1. English  (68,752)
2. German  (13,132)
3. Finnish  (11,751)
4. French  (11,281)
5. Swedish  (7,285)
6. Norwegian  (3,308)
7. Spanish  (2,894)
8. Italian  (2,634)
9. Portuguese  (2,301)
10. Russian  (1,500)
11. Dutch  (1,231)
12. Danish  (969)
13. Korean  (860)
14. Romanian  (187)
15. Polish  (91)
16. Turkish  (38)
17. Japanese  (35)
18. Hungarian  (14)
19. Bulgarian  (10)
20. Chinese  (9)
21. More options