Preparation of alkyl ketene dimers

Details for Australian Patent Application No. 2007203808 (hide)

Owner Hercules Incorporated

Inventors Gerstenhaber, David A.

Agent Spruson & Ferguson

Pub. Number AU-B-2007203808

PCT Pub. Number WO2007/079444

Priority 60/755,966 03.01.06 US

Filing date 3 January 2007

Wipo publication date 12 July 2007

Acceptance publication date 7 July 2011

International Classifications

C07C 45/89 (2006.01) Preparation of compounds having CO groups bound only to carbon or hydrogen atoms

C07C 49/88 (2006.01) Ketones

C07D 305/12 (2006.01) Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms

Event Publications

31 July 2008 PCT application entered the National Phase

  PCT publication WO2007/079444 Priority application(s): WO2007/079444

7 July 2011 Application Accepted

  Published as AU-B-2007203808

3 November 2011 Standard Patent Sealed

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