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Windshield wipers containing nonionic surfactant

  • US 3,897,356 A
  • Filed: 02/28/1973
  • Issued: 07/29/1975
  • Est. Priority Date: 02/28/1973
  • Status: Expired due to Term
First Claim
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1. A WIPER FOR GLASS SURFACE CONSISTING ESSENTIALLY OF A WET-STRENGTHENED PAPER SHEET CONTAINING AN ACTIVE AMOUNT OF A NONIONIC DETERGENT SURFACTANT OF THE FOLLOWING GENERAL FORMULA:

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