{"abstract":"The Food and Drug Administration (FDA) is amending the food additive regulations to provide for the safe use of isobutylene-butene copolymers as a plasticizer in polypropylene intended for use in contact with food. This action responds to a food additive petition filed by Amoco Chemical Co.","action":"Final rule.","agencies":[{"raw_name":"DEPARTMENT OF HEALTH AND HUMAN SERVICES","name":"Health and Human Services Department","id":221,"url":"https://www.federalregister.gov/agencies/health-and-human-services-department","json_url":"https://www.federalregister.gov/api/v1/agencies/221","parent_id":null,"slug":"health-and-human-services-department"},{"raw_name":"Food and Drug Administration","name":"Food and Drug Administration","id":199,"url":"https://www.federalregister.gov/agencies/food-and-drug-administration","json_url":"https://www.federalregister.gov/api/v1/agencies/199","parent_id":221,"slug":"food-and-drug-administration"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/1998/07/02/98-17543.html","cfr_references":[{"chapter":null,"citation_url":null,"part":177,"title":21}],"citation":"63 FR 36175","comment_url":null,"comments_close_on":null,"correction_of":null,"corrections":[],"dates":"The regulation is effective July 2, 1998. Submit written objections and requests for a hearing by August 3, 1998.","disposition_notes":null,"docket_ids":["Docket No. 90F-0435"],"dockets":[],"document_number":"98-17543","effective_on":"1998-07-02","end_page":36176,"executive_order_notes":null,"executive_order_number":null,"explanation":null,"full_text_xml_url":null,"html_url":"https://www.federalregister.gov/documents/1998/07/02/98-17543/indirect-food-additives-polymers","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/98-17543?publication_date=1998-07-02","mods_url":"https://www.govinfo.gov/metadata/granule/FR-1998-07-02/98-17543/mods.xml","not_received_for_publication":null,"page_length":2,"page_views":{"count":18,"last_updated":"2026-04-04 12:15:04 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-1998-07-02/pdf/98-17543.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":null,"publication_date":"1998-07-02","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/1998/07/02/98-17543.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"checked_regulationsdotgov_at":"2011-09-21T06:37:52Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":36175,"subtype":null,"title":"Indirect Food Additives: Polymers","toc_doc":null,"toc_subject":null,"topics":[],"type":"Rule","volume":63}