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Amine And Diamine Compounds And Their Use For Inverse Froth Flotation Of Silicate From Iron Ore - EP2696985

The patent EP2696985 was granted to Basf on Feb 21, 2018. The application was originally filed on Apr 10, 2012 under application number EP12713724A. The patent is currently recorded with a legal status of "Revoked".

EP2696985

BASF
Application Number
EP12713724A
Filing Date
Apr 10, 2012
Status
Revoked
Jul 3, 2020
Publication Date
Feb 21, 2018
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Family

Patent Oppositions (2)

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NOURYON CHEMICALSNov 16, 2018INGRASSIAADMISSIBLE
NOURYON CHEMICALSNov 16, 2018LKGLOBAL UKADMISSIBLE

Patent Citations (18) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication Number
DESCRIPTIONCA1100239
DESCRIPTIONUS2629494
DESCRIPTIONUS3363758
DESCRIPTIONUS4319987
DESCRIPTIONUS4422928
DESCRIPTIONUS6076682
DESCRIPTIONUS6963014
DESCRIPTIONWO2008077849
INTERNATIONAL-SEARCH-REPORTUS3363758
INTERNATIONAL-SEARCH-REPORTUS4652273
INTERNATIONAL-SEARCH-REPORTUS6076682
INTERNATIONAL-SEARCH-REPORTWO2008077849
OPPOSITIONCA1100239
OPPOSITIONCA2205885
OPPOSITIONUS3363758
OPPOSITIONUS6076682
OPPOSITIONUS6963014
OPPOSITIONWO2008077849

Non-Patent Literature (NPL) Citations (12) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference Text
DESCRIPTION- S. R. RAO, Surface Chemistry of Froth Flotation, KLUWER ACADEMIC /PLENUM PUBLISHERS, (2004), vol. 1, 2
INTERNATIONAL-SEARCH-REPORT- "1-Propanamine, 3-(tridecyloxy)-, branched - Compound Summary", (20070512), URL: http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=22833357, (20120724), XP055033682 [X] 1-4 * PubChem compound CID 22833357 *
INTERNATIONAL-SEARCH-REPORT- ARAUJO A C ET AL, "Reagents in iron ores flotation", MINERALS ENGINEERING, PERGAMON PRESS , OXFORD, GB, vol. 18, no. 2, ISSN 0892-6875, (20050201), pages 219 - 224, (20050201), XP027815644 [A] 1-16
INTERNATIONAL-SEARCH-REPORT- FREYBERGER W L ET AL, "QUARTZ FLOTATION WITH BRANCHED CHAIN ETHER AMINES", INTERFACIAL PHENOMENA IN MINERAL PROCESSING: PROCEEDINGS OF THE ENGINEERING FOUNDATION CONFERENCE.RINDGE, NH, USA,, (19820101), pages 255 - 270, XP009161399 [Y] 1-3,5-16 * page 255, paragraph last * * page 257 * * page 256, paragraph last *
INTERNATIONAL-SEARCH-REPORT- LIMA R M F AND MAGALHÃES M P, "Influence of the degree of neutralization of amines in iron ore reverse flotation", INFORMACION TECNOLOGICA, CENTRO DE INFORMACION TECNOLOGICA, LA SERENA, ES, (20020101), vol. 13, no. 5, ISSN 0716-8756, pages 3 - 7, XP009128945 [Y] 4 * page 5 *
INTERNATIONAL-SEARCH-REPORT- M Srdjan Bulatovic, "Ether Amines", Handbook of Flotation Reagents, Elsevier, (20070101), page 36, ISBN 978-0-44-453029-5, XP055033529 [Y] 13-16 * paragraph [2.4.2] *
INTERNATIONAL-SEARCH-REPORT- PAPINI RM ET AL, "Cationic flotation of iron ores: amine characterization and performance", MINERALS AND METALLURGICAL PROCESSING, CO, (20010101), vol. 18, no. 1, ISSN 0747-9182, pages 5 - 9, XP009090087 [A] 1-16
OPPOSITION- "Brochure Exxal 13", ExxonMobil Chemical, (20090000), pages 1 - 2, XP055533268
OPPOSITION- "Brochure of Marlipal 013", SASOL, pages 1 - 24, XP055533264
OPPOSITION- "Product Information Lilaflot D817M", AKZO NOBEL, (20090115), XP055533253
OPPOSITION- "Product Information MARLIPAL® 0 13", SASOL, (20101000), pages 1 - 2, XP055533257
OPPOSITION- "SAFETY DATA SHEET LILAFLOT D 817M", AkzoNobel, (20101221), XP055533247

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Dossier Documents

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