Refine My Results

Creation Date 

1. Before 1984  (28)
2. 1984 To 1993  (26)
3. 1994 To 2003  (49)
4. 2004 To 2013  (32)
5. After 2013  (55)
6. More options 

New Records 

1. New From Last Week  (4)
2. More options 

Subject 

1. Chemistry  (46)
2. Metallurgy  (46)
3. Paper Not Otherwise Provided For  (38)
4. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (38)
5. Impregnating Or Coating Of Paper  (38)
6. Pulp Compositions  (38)
7. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (38)
8. Compositions Based Thereon  (22)
9. Their Preparation Or Chemical Working-Up  (22)
10. Organic Macromolecular Compounds  (22)
11. Fibrous Raw Materials Or Their Mechanical Treatment  (19)
12. Transporting  (15)
13. Performing Operations  (15)
14. Beer  (10)
15. More options