{"@type": "dcat:Dataset", "accessLevel": "public", "bureauCode": ["009:25"], "contactPoint": {"@type": "vcard:Contact", "fn": "NIH/NCBI Data Team", "hasEmail": "mailto:info@ncbi.nlm.nih.gov"}, "description": "Solid catalyst components and catalysts which comprise (a) a magnesium compound, (b) titanium tetra chloride, and (c) a phthalic acid diester or its derivative represented by a particular formula, can afford polymers of olefins in very high yield. Particularly, propylene polymers can be obtained in very high yield while retaining high stereoregularity. Moreover, they have high responsiveness to hydrogen. <IMAGE>", "distribution": [{"@type": "dcat:Distribution", "description": "Access the complete Patent AT-E399752-T1: [Translated] SOLID CATALYST COMPONENT AND CATALYST FOR OLEFIN POLYMERIZATION on the official website.", "downloadURL": "https://pubchem.ncbi.nlm.nih.gov/patent/AT-E399752-T1", "mediaType": "text/html", "title": "Official Data Source"}], "identifier": "https://healthdata.gov/api/views/2n8z-pa9w", "issued": "2025-09-05", "keyword": ["patent", "chemistry", "pubchem", "innovation", "research"], "landingPage": "https://healthdata.gov/d/2n8z-pa9w", "modified": "2025-09-06", "programCode": ["009:066"], "publisher": {"@type": "org:Organization", "name": "National Center for Biotechnology Information (NCBI)"}, "theme": ["NIH"], "title": "Patent AT-E399752-T1: [Translated] SOLID CATALYST COMPONENT AND CATALYST FOR OLEFIN POLYMERIZATION"}