Refine My Results

Creation Date 

1. Before 1962  (2,301)
2. 1962 To 1964  (3,810)
3. 1965 To 1967  (5,730)
4. 1968 To 1971  (10,946)
5. After 1971  (19,712)
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New Records 

1. New From Last Month  (18)
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Subject 

1. Paper Not Otherwise Provided For  (19,437)
2. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (19,437)
3. Impregnating Or Coating Of Paper  (19,437)
4. Pulp Compositions  (19,437)
5. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (19,437)
6. Transporting  (11,494)
7. Performing Operations  (11,494)
8. Methods Of Producing Paper Thereon  (10,883)
9. Paper-Making Machines  (10,883)
10. Chemistry  (10,787)
11. Metallurgy  (10,787)
12. Compositions Based Thereon  (6,869)
13. Their Preparation Or Chemical Working-Up  (6,869)
14. Organic Macromolecular Compounds  (6,869)
15. Apparatus Therefor  (6,473)
16. Regeneration Of Pulping Liquors  (6,176)
17. Production Of Cellulose By Removing Non-Cellulose Substancesfrom Cellulose-Containing Materials  (6,176)
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Language 

1. English  (29,616)
2. German  (7,345)
3. French  (3,553)
4. Spanish  (978)
5. Finnish  (956)
6. Swedish  (523)
7. Italian  (420)
8. Danish  (285)
9. Dutch  (276)
10. Russian  (74)
11. Portuguese  (33)
12. Norwegian  (12)
13. Japanese  (9)
14. Turkish  (6)
15. Icelandic  (4)
16. Bulgarian  (1)
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