Refine My Results

Creation Date 

1. Before 1978  (7)
2. 1978 To 1980  (68)
3. 1981 To 1983  (78)
4. 1984 To 1987  (150)
5. After 1987  (175)
6. More options 

Subject 

1. Technical Subjects Covered By Former Uspc Cross-Reference Art Collections [xracs] And Digests  (430)
2. General Tagging Of Cross-Sectional Technologies Spanning Over Several Sections Of The Ipc  (430)
3. General Tagging Of New Technological Developments  (430)
4. Technical Subjects Covered By Former Uspc  (288)
5. Apparatus Therefor  (213)
6. Regeneration Of Pulping Liquors  (210)
7. Production Of Cellulose By Removing Non-Cellulose Substancesfrom Cellulose-Containing Materials  (210)
8. Technologies Or Applications For Mitigation Or Adaptation Againstclimate Change  (177)
9. Methods Of Producing Paper Thereon  (172)
10. Paper-Making Machines  (172)
11. Transporting  (171)
12. Performing Operations  (171)
13. Technical Subjects Covered By Former Uspc Cross-Reference Artcollections [xracs] And Digests  (164)
14. Technical Subjects Covered By Former Us Classification  (154)
15. Metallurgy  (106)
16. Chemistry  (106)
17. Climate Change Mitigation Technologies In The Production Orprocessing Of Goods  (92)
18. More options 

Language 

1. Swedish  (96)
2. English  (2)
3. More options