The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 28, 2008
Filed:
Jan. 25, 2008
Steffen Voss, Garden Grove, CA (US);
Dongshui Zeng, Yorba Linda, CA (US);
Stephen Jeffery, Huntington Beach, CA (US);
Kevin King, Torrance, CA (US);
Steffen Voss, Garden Grove, CA (US);
Dongshui Zeng, Yorba Linda, CA (US);
Stephen Jeffery, Huntington Beach, CA (US);
Kevin King, Torrance, CA (US);
W.C. Heraeus GmbH, Hanau, DE;
Abstract
Preparation of halogenide-free Platinum(II)acetylacetonate [Pt(acac)] Platinum(II) hexafluoroacetylacetonate [Pt(hfac)], Platinum(II) trifluoroacetylacetonate [Pt(tfac)] or Platinum(II)-alkylsubstituted acetylacetonates by the reaction of a halogen free platinum (IV) oxo- or hydroxo-compound, such as PtO.nHO (n being an integer from 1 to 4) or HPt(OH)or NaPt(OH)or KPt(OH), with a reducing agent in aqueous solution in the presence of a stoichiometric or higher amount of acetylacetone (acac), potassium acetylacetoante (Kacac) sodium acetylacetonate (Naacac), hexafluoroacetylacetone (hfac), trifluoroacetylacetone (tfac) or alkyl substituted acetylacetones or their salts and an Hdonor.