Luigi Cassar
34Patents
10h-index
41Co-inventors
75Inventor score
Filing activity: Jun 10, 1975 → Dec 17, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4579949A | Preparation of pyrrolo[3,4-c]pyrroles | Chemistry; Metallurgy | 90 | Expired |
| US4415685A | Process for dyeing high-molecular organic material, and novel polycyclic pigments | Chemistry; Metallurgy | 65 | Expired |
| US5051458A | UV stabilizers for organic polymers | Chemistry; Metallurgy | 25 | Expired |
| US6409821B1 | Hydraulic binder and cement compositions containing photocatalyst particles | Chemistry; Metallurgy | 25 | Expired |
| US4490542A | 1,4-Diketo-pyrrolo[3,4-c]pyrroles | Chemistry; Metallurgy | 19 | Expired |
| US4052452A | Process for preparing glycolic acid and its polymers | Chemistry; Metallurgy | 18 | Expired |
| US6824826B1 | Use of photocatalytic preparations of colloidal titanium dioxide for preserving the original appearance of cementitious, stone, or marble products | Chemistry; Metallurgy | 14 | Expired |
| US6117229A | Use of organic additives for the preparation of cementitious compositions with improved properties of constancy of color | Chemistry; Metallurgy | 13 | Expired |
| US4118589A | Process for preparing oxalic acid and esters of same | Chemistry; Metallurgy | 13 | Expired |
| US4684726A | Reactive stabilizing compounds containing a sterically hindered amino group and a hydrolyzable silyl function | Chemistry; Metallurgy | 12 | Expired |
| US4613669A | Preparation of 1,4-diketopyrrolo-[3,4-c]pyrroles | Chemistry; Metallurgy | 9 | Expired |
| US4128572A | Process for preparing phenylacetic acid | Chemistry; Metallurgy | 9 | Expired |
| US4952619A | Organic polymer stabilization | Chemistry; Metallurgy | 9 | Expired |
| US4149005A | Process for preparing 1-phenyl-3-aminopyrazoles | Chemistry; Metallurgy | 9 | Expired |
| US4034004A | Process for the preparation of carboxylic acids from organic halides | Performing Operations; Transporting | 9 | Expired |
| US4426533A | Process for producing bismethine isoindolines | Chemistry; Metallurgy | 8 | Expired |
| US5908502A | Limestone filled Portland cements | Chemistry; Metallurgy | 8 | Expired |
| US4977259A | Process for preparing reactive stabilizing compound | Chemistry; Metallurgy | 7 | Expired |
| US4500718A | Process for producing bismethine isoindolines | Chemistry; Metallurgy | 6 | Expired |
| US4351952A | Process for preparing phenyl pyruvic acids | Chemistry; Metallurgy | 6 | Expired |
| US4888375A | Organic polymer stabilization | Chemistry; Metallurgy | 6 | Expired |
| US5076813A | High-energy-content fuel composition containing quadricyclane | Chemistry; Metallurgy | 6 | Expired |
| US5852905A | Method for manufacturing a composite girder and so manufactured girder | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8092586B2 | Titanium dioxide based photocatalytic composites and derived products on a metakaolin support | Chemistry; Metallurgy | 5 | Active |
| US7300514B2 | Photocatalytic granular mixture for mortar and concrete and its use | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.