Joseph Schapira
33Patents
8h-index
49Co-inventors
75Inventor score
Filing activity: Jul 19, 1976 → Nov 16, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6787065B1 | Use of a composition or premix based on volatile corrosion inhibitors, composition or premix, articles comprising said composition and preparation method | Chemistry; Metallurgy | 28 | Expired |
| US5460694A | Process for the treatment of aluminum based substrates for the purpose of anodic oxidation, bath used in said process and concentrate to prepare the bath | Chemistry; Metallurgy | 23 | Expired |
| US4666613A | Process and agents for controlling the swelling of clays in the presence of sea-water and clay-based muds | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5472476A | Anticlumping composition and anticlumping process for fertilizers | Chemistry; Metallurgy | 11 | Expired |
| US5567236A | Composition containing materials improving the rheological properties of cement-based products | Chemistry; Metallurgy | 11 | Expired |
| US5456775A | Internal additive and process for the preparation of certain crystallized forms of ammonium nitrate and industrial uses of the said forms | Chemistry; Metallurgy | 10 | Expired |
| US6068709A | Bath and process for the phosphatization of metallic substrates, concentrates for the preparation of said bath and metallic substrates having been subjected to a treatment by said bath and process | Chemistry; Metallurgy | 10 | Expired |
| US4670066A | Process for the treatment by chemical conversion of substrates of zinc or of one of its alloys, concentrate and bath used for performing this process | Chemistry; Metallurgy | 9 | Expired |
| US5364440A | Anti-clumping products, compositions containing the said products and treatments in which the said products are used | Chemistry; Metallurgy | 6 | Expired |
| US4678519A | Method of zinc phosphatization, activation and refining bath used in said method and corresponding concentrate | Chemistry; Metallurgy | 6 | Expired |
| US4374039A | Anticlumping products and treatments based on amin salts | Chemistry; Metallurgy | 5 | Expired |
| US5203906A | Anti-clumping products, compositions and treatments for salts, simple and complex fertilizers | Chemistry; Metallurgy | 5 | Expired |
| US5021083A | Stable aqueous or aqueous alcoholic dispersion based on derivatives of oxynil, herbicidal composition comprised thereof and selective herbicidal treatment comprising the use of the said herbicidal composition | Human Necessities | 5 | Expired |
| US4813999A | Herbicidal products based on bromoxynil and/or ioxynil esters | Human Necessities | 4 | Expired |
| US5330659A | Process for denaturating water-dilutable paints and solvent-based paints and denaturation solution used in this process | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5695773A | Phytosanitary composition containing a combination of an oxynil and at least one substance liquid at ambient temperature and a process for applying these compositions | Human Necessities | 3 | Expired |
| US4311536A | Processes of phosphating surfaces of iron and of steel with manganese | Chemistry; Metallurgy | 3 | Expired |
| US4843119A | Adhesive product for the bonding of steel, particularly in the automotive sheetwork operations | Chemistry; Metallurgy | 3 | Expired |
| US5698005A | Composition which is simultaneously anticlumping and water-repellant for salts, simple and complex fertilizers and process for the use thereof | Chemistry; Metallurgy | 3 | Expired |
| US4497666A | Process for the treatment of phosphatized metal surfaces with a composition comprising trivalent titanium | Chemistry; Metallurgy | 3 | Expired |
| US5372748A | Agent inhibiting the corrosive characteristics of nitrogenous fertilizing solutions, process using the said agent and nitrogenous fertilizing solutions containing the said agent | Chemistry; Metallurgy | 2 | Expired |
| US5981800A | Preparation process for 4-substituted dinitroanilines | Chemistry; Metallurgy | 1 | Expired |
| US6028226A | Process for 3,4-disubstituted dinitroanilines | Chemistry; Metallurgy | 1 | Expired |
| US6080700A | Method and ethephon-based composition for controlling plant growth | Human Necessities | 1 | Expired |
| US5776855A | Phytosanitary flake compositions | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.