Harry Fischer
3Patents
0Active
3Granted
27Portfolio score
Filing activity: Jul 2, 1987 → Sep 20, 1988
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4898893A | Blowing agents for isocyanurate foams and method for producing the same | Chemistry; Metallurgy | 45 | Expired |
| US4908161A | Fire retardant for isocyanate-based foams comprising ammonium sulfate and a cyanuric acid derivative | Chemistry; Metallurgy | 6 | Expired |
| US4780485A | Isocyanurate foam and method for producing the same | Emerging Cross-Sectional Technologies | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.