AQUEOUS FLUOROCHEMICAL POLYMER COMPOSITION FOR WATER AND OIL REPELLENT TREATMENT OF MASONRY AND WELLBORES

Details for Australian Patent Application No. 2002309979 (hide)

Owner 3M INNOVATIVE PROPERTIES COMPANY

Inventors FAN, Wayne, W.; MARTIN, Steven, J.

Pub. Number AU-A-2002309979

PCT Number PCT/US02/15937

PCT Pub. Number WO2003/018508

Priority 09/938,188 23.08.01 US

Filing date 16 May 2002

Wipo publication date 10 March 2003

International Classifications

C04B 041/48 After-treatment of mortars, concrete, artificial stone or ceramics

C08F 220/24 Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof

E21B 043/25 Obtaining fluids from wells - Methods for stimulating production

Event Publications

19 December 2002 Complete Application Filed

  Priority application(s): 09/938,188 23.08.01 US

5 June 2003 Application Open to Public Inspection

  Published as AU-A-2002309979

6 May 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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