Quartz & Silice
4Patents
0Active
4Granted
25Portfolio score
Filing activity: Feb 11, 1981 → Apr 18, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4367013A | Preparation of semifinished product for manufacture of optical fibers | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5015279A | Apparatus for extracting spin cast fused silica objects | Chemistry; Metallurgy | 3 | Expired |
| US4964902A | Method of extracting spin cast fused silica | Chemistry; Metallurgy | 2 | Expired |
| US5683812A | Ceramifiable sizing composition for continuous inorganic yarns, yarns coated with this composition and process for sizing and heat treatment making use of this composition | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.