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U.S. Department of Health and Human Services

Final Rules and Final Orders: Food Additives and Color Additives
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Petition(s): FAP 0B4182

Indirect Food Additives: Polymers

Petitioner: Dow Chemical Co., E. I. du Pont de Nemours A Co., and B. F. Goodrich
Docket number (legacy and/or former docket number(s)): (89F-0462)
Subject additive and intended use: amending the food additive regulations to provide for the safe use of polyurethane resins derived from the reaction of diphenylmethane diisocyanate with 1,4-butanediol and polytetramethylene ether glycol as rubber articles intended for repeated use in contact with food
21 CFR* affected: 177.2600; Rubber articles Intended for repeated use
Substance(s)*, (CAS Registry® No.):
  • diphenylmethane 4,4'-diisocyanate-1,4-butanediol-polytetramethylene ether glycol resin, (9018-04-6)
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    Federal Register publication history: Nov 17, 1989; 54 FR 47828; Notice
    Jan 28, 1992; 57 FR 3126; Final rule; Effective date: Jan 28, 1992


     

    *Definitions

    • 21 CFR: Title 21 of the Code of Federal Regulations.
    • Substance: The name of the substance listed in the CFR.
    • CAS Registry® No.: Chemical Abstract Service (CAS) Registry Number® for the substance.
    • Petitions (see also Questions and Answers About the Petition Process)
      • FAP: Food Additive Petition
      • CAP: Color Additive Petition
      • GRP: GRAS Affirmation Petition (replaced by GRAS Notification Program in 1998)
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