US T903009 I4
Description (OCR text may contain errors)
UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 0.6. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheet.
Detensive Publication applications have not been examined as to the merits of alleged invention. The Patent Ofllce makes no assertion as to the novelty of the disclosed subject matter.
PUBLISHED OCTOBER 3, 1972 T903,009 PHOSPHO'RUS-FREE CLEANING FOATIONS Richard D. Katstra, Englewood Clifls, N.J., assignor to Continental Oil Company, Ponca City, Okla. Filed Sept. 22, 1971, Ser. No. 182,863 Int. Cl. Clld 1/12 US. Cl. 252-559 No Drawing. 17 Pages Specification Phosphorus-free cleaning formulations containing only surface active materials. The surface active materials used include a major proportion of a nonionic surfactant and a lesser amount of an alkyl aryl sulfona'te salt.