Assignee
Inventors
- Krishna K. Mathur (3 patents)
- Robert Kenneth Resnik (4 patents)
- Randall George Simmons (39 patents)
{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Process for the preparation of large surface area, finely divided precipitated calcium carbonate and filled polymeric compositions of matter containing said calcium carbonate", "item": "https://www.patentleaderboard.com/patent/4980395"}]}
Skip to contentUS Patent 4980395 · Granted Dec 25, 1990