Refine My Results

Creation Date 

1. Before 1962  (404)
2. 1962 To 1976  (279)
3. 1977 To 1991  (1,319)
4. 1992 To 2007  (5,224)
5. After 2007  (7,354)
6. More options 

New Records 

1. New From Last Month  (23)
2. New From Last 3 Month  (357)
3. More options 

Subject 

1. Human Necessities  (10,634)
2. Hygiene  (8,174)
3. Medical Or Veterinary Science  (8,174)
4. Preparations For Medical, Dental, Or Toilet Purposes  (8,032)
5. Chemistry  (7,512)
6. Metallurgy  (7,512)
7. Organic Chemistry  (4,478)
8. Specific Therapeutic Activity Of Chemical Compounds Ormedicinal Preparations  (3,666)
9. Their Treatment, Not Covered By Other Classes  (3,131)
10. Foods Or Foodstuffs  (3,131)
11. Steroids  (2,784)
12. Preservation Of Foods Or Foodstuffs, In General  (2,653)
13. Foods, Foodstuffs, Or Non-Alcoholic Beverages, Not Covered Bysubclasses A23b - A23j  (2,653)
14. Their Preparation Or Treatment, E.G. Cooking, Modification Ofnutritive Qualities, Physical Treatment  (2,653)
15. Microbiology  (2,447)
16. Biochemistry  (2,447)
17. Spirits  (2,447)
18. Mutation Or Genetic Engineering  (2,447)
19. Beer  (2,447)
20. Enzymology  (2,447)
21. More options 

Language 

1. English  (12,004)
2. French  (3,676)
3. German  (2,102)
4. Chinese  (1,753)
5. Japanese  (615)
6. Korean  (483)
7. Portuguese  (385)
8. Spanish  (336)
9. Russian  (244)
10. Danish  (144)
11. Norwegian  (112)
12. Swedish  (111)
13. Finnish  (100)
14. Polish  (84)
15. Hungarian  (57)
16. Czech  (50)
17. Italian  (50)
18. Hebrew  (48)
19. Dutch  (39)
20. Slovenian  (33)
21. More options