Doll GmbH
3Patents
0Active
3Granted
24Portfolio score
Filing activity: Apr 18, 1974 → Nov 3, 1976
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3959929A | Device for precision grinding and polishing of workpieces | Performing Operations; Transporting | 13 | Expired |
| US4142050A | Salts of 1,3-bis(.beta.-ethylhexyl)-5-amino-5-methyl-hexahydropyrimidine | Chemistry; Metallurgy | 3 | Expired |
| US4141968A | Novel salts of 1,3-bis-(.beta.-ethylhexyl)-5-amino-5-methyl-hexahydropyrimidine in compositions having bacteriostatic activity | Chemistry; Metallurgy | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.