PROCESS FOR PREPARING ALKYL PYROGLUTAMIC ACIDS

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EP 2 763 964 B8

(12)	CORRECTED EUROPEAN PATENT SPECIFICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 B1)

(48)	Corrigendum issued on:
	27.06.2018 Bulletin 2018/26

(45)	Mention of the grant of the patent:
	16.05.2018 Bulletin 2018/20

(21)	Application number: 12816393.8

(22)	Date of filing: 13.12.2012

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International Patent Classification (IPC):

C07D 207/28^(2006.01)
B01J 27/24^(2006.01)
C11D 3/28^(2006.01)
A61Q 19/10^(2006.01)
C11D 3/33^(2006.01)

A61K 8/49^(2006.01)
C11D 1/04^(2006.01)
A61Q 5/02^(2006.01)
C11D 1/10^(2006.01)
A61K 31/49^(2006.01)

(86)	International application number:
	PCT/US2012/069528

(87)	International publication number:
	WO 2013/090591 (20.06.2013 Gazette 2013/25)

(54)	PROCESS FOR PREPARING ALKYL PYROGLUTAMIC ACIDS VERFAHREN ZUR HERSTELLUNG VON ALKYLPYROGLUTAMINSÄUREN PROCÉDÉ DE PRÉPARATION D'ACIDES ALKYLPYROGLUTAMIQUES

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

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Priority:

15.12.2011 US 201161576023 P

(43)	Date of publication of application:
	13.08.2014 Bulletin 2014/33

(60)	Divisional application:
	18169946.3

(73)	Proprietor: Dow Global Technologies LLC
	Midland, MI 48674 (US)

(72)	Inventors:
	HENTON, Daniel, R. MI 48641 (US) RAND, Cynthia, L. Midland, MI 48674 (US) NG, Sze-sze Midland, MI 48642 (US)

(74)	Representative: Houghton, Mark Phillip et al
	Patent Outsourcing Limited 1 King Street Bakewell, Derbyshire DE45 1DZ Bakewell, Derbyshire DE45 1DZ (GB)

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References cited: :

EP-A1- 1 980 237
WO-A1-2009/074518
FR-A1- 2 931 065

EP-A2- 1 002 525
WO-A2-03/103604
US-A1- 2007 221 215

DATABASE WPI Week 200965 Thomson Scientific, London, GB; AN 2009-N93697 XP002694101, -& JP 2009 215267 A (SHISEIDO CO LTD) 24 September 2009 (2009-09-24) -& DATABASE CAPLUS [Online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; UENUMA, MIKIKO ET AL: "Skin preparations, parakeratosis inhibitors or skin pore shrinking agents, and rough skin treatment agents containing pyroglutamic acid derivatives", XP002694102, retrieved from STN Database accession no. 2009:1165857
DATABASE WPI Week 200433 Thomson Scientific, London, GB; AN 2004-352668 XP002694103, -& JP 2004 123871 A (ASAHI KASEI KK) 22 April 2004 (2004-04-22)
FUSHIYA, SHINJI ET AL: "A new acidic amino acid from a Basidiomycetes, Lactarius piperatus", CHEMICAL & PHARMACEUTICAL BULLETIN , 36(4), 1366-70 CODEN: CPBTAL; ISSN: 0009-2363, 1988, XP002694104,
AOYAGI, YASUO ET AL: "Constituents of a cationic peptide-rich fraction of Lentinus edodes", AGRICULTURAL AND BIOLOGICAL CHEMISTRY , 46(4), 987-91 CODEN: ABCHA6; ISSN: 0002-1369, 1982, XP002694105,

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