×

Pro-fragrance linear acetals and ketals

  • US 6,316,397 B1
  • Filed: 07/07/2000
  • Issued: 11/13/2001
  • Est. Priority Date: 06/27/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. An article of manufacture adapted for use to provide fabric appearance benefits in an automatic laundry dryer comprising:

  • A) from about 0.01% by weight, of a fragrance delivery system comprising;

    i) a pro-fragrance compound having the formula;



    wherein R1 and R2 are each independently;

    a) C8-C22 linear or branched alkyl;

    b) C8-C22 linear or branched alkenyl;

    c) C2-C20 substituted or unsubstituted alkyleneoxy;

    d) C3-C20 substituted or unsubstituted alkyleneoxyalkyl;

    e) C7-C20 substituted or unsubstituted alkylenearyl;

    f) C6-C20 substituted or unsubstituted aryloxy;

    g) C7-C20 substituted or unsubstituted alkyleneoxyaryl;

    h) C7-C20 oxyalkylenearyl;

    i) C2-C20 alkylenecarboxy having the formula;

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×