ATE410184T1 - Umkehremulsion mit mindestens einem gegenüber wasser empfindlichen wirkstoff und ihre anwendungen in kosmetik und dermatologie - Google Patents

Umkehremulsion mit mindestens einem gegenüber wasser empfindlichen wirkstoff und ihre anwendungen in kosmetik und dermatologie

Info

Publication number: ATE410184T1
Authority: AT; Austria
Prior art keywords: water; dermatology; cosmetics; reversing; emulsion
Prior art date: 2003-02-05

Application number

AT04707534T

Other languages

English (en)

Inventor

Fanny Astruc

Sandrine Orsoni

Alain Brzokewicz

Original Assignee

Galderma Res & Dev

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2003-02-05

Filing date

2004-02-03

Publication date

2008-10-15

2003-02-05 Priority claimed from FR0301349A external-priority patent/FR2850575B1/fr

2004-02-03 Application filed by Galderma Res & Dev filed Critical Galderma Res & Dev

2008-10-15 Application granted granted Critical

2008-10-15 Publication of ATE410184T1 publication Critical patent/ATE410184T1/de

Links

239000000839 emulsion Substances 0.000 title abstract 3
239000002537 cosmetic Substances 0.000 title abstract 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 2
239000013543 active substance Substances 0.000 abstract 2
208000002874 Acne Vulgaris Diseases 0.000 abstract 1
201000004624 Dermatitis Diseases 0.000 abstract 1
201000004681 Psoriasis Diseases 0.000 abstract 1
229930003316 Vitamin D Natural products 0.000 abstract 1
QYSXJUFSXHHAJI-XFEUOLMDSA-N Vitamin D3 Natural products C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)CCCC(C)C)=C/C=C1\C[C@@H](O)CCC1=C QYSXJUFSXHHAJI-XFEUOLMDSA-N 0.000 abstract 1
206010000496 acne Diseases 0.000 abstract 1
208000010668 atopic eczema Diseases 0.000 abstract 1
238000002144 chemical decomposition reaction Methods 0.000 abstract 1
238000002425 crystallisation Methods 0.000 abstract 1
230000008025 crystallization Effects 0.000 abstract 1
208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract 1
208000035475 disorder Diseases 0.000 abstract 1
239000003995 emulsifying agent Substances 0.000 abstract 1
230000003780 keratinization Effects 0.000 abstract 1
239000000203 mixture Substances 0.000 abstract 1
235000019166 vitamin D Nutrition 0.000 abstract 1
239000011710 vitamin D Substances 0.000 abstract 1
150000003710 vitamin D derivatives Chemical class 0.000 abstract 1
229940046008 vitamin d Drugs 0.000 abstract 1

Classifications

- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
- A61K8/06—Emulsions
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/24—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing atoms other than carbon, hydrogen, oxygen, halogen, nitrogen or sulfur, e.g. cyclomethicone or phospholipids
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/59—Compounds containing 9, 10- seco- cyclopenta[a]hydrophenanthrene ring systems
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/39—Derivatives containing from 2 to 10 oxyalkylene groups
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/67—Vitamins
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/86—Polyethers
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0014—Skin, i.e. galenical aspects of topical compositions
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/10—Dispersions; Emulsions
- A61K9/107—Emulsions ; Emulsion preconcentrates; Micelles
- A61K9/113—Multiple emulsions, e.g. oil-in-water-in-oil
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/08—Antiseborrheics
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/10—Anti-acne agents
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/12—Keratolytics, e.g. wart or anti-corn preparations
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/02—Immunomodulators
- A61P37/06—Immunosuppressants, e.g. drugs for graft rejection
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/008—Preparations for oily skin

Landscapes

Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Animal Behavior & Ethology (AREA)
Veterinary Medicine (AREA)
Public Health (AREA)
General Health & Medical Sciences (AREA)
Chemical & Material Sciences (AREA)
Epidemiology (AREA)
Medicinal Chemistry (AREA)
Pharmacology & Pharmacy (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Dermatology (AREA)
Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
Organic Chemistry (AREA)
Birds (AREA)
Bioinformatics & Cheminformatics (AREA)
Oil, Petroleum & Natural Gas (AREA)
Dispersion Chemistry (AREA)
Immunology (AREA)
Molecular Biology (AREA)
Biophysics (AREA)
Emergency Medicine (AREA)
Oncology (AREA)
Transplantation (AREA)
Communicable Diseases (AREA)
Virology (AREA)
Cosmetics (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Medicinal Preparation (AREA)
Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

AT04707534T 2003-02-05 2004-02-03 Umkehremulsion mit mindestens einem gegenüber wasser empfindlichen wirkstoff und ihre anwendungen in kosmetik und dermatologie ATE410184T1 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
FR0301349A FR2850575B1 (fr)	2003-02-05	2003-02-05	Composition de type emulsion inverse contenant au moins un actif sensible a la presence d'eau, et ses utilisations en dermatologie
US45294003P	2003-03-10	2003-03-10
PCT/EP2004/004526 WO2004069134A2 (en)	2003-02-05	2004-02-03	Invert emulsion type composition containing at least one active agent sensitive to the presence of water, and its uses in cosmetics and in dermatology

Publications (1)

Publication Number	Publication Date
ATE410184T1 true ATE410184T1 (de)	2008-10-15

Family

ID=32852331

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT04707534T ATE410184T1 (de)	2003-02-05	2004-02-03	Umkehremulsion mit mindestens einem gegenüber wasser empfindlichen wirkstoff und ihre anwendungen in kosmetik und dermatologie

Country Status (16)

Country	Link
US (1)	US20060029623A1 (de)
EP (1)	EP1592452B1 (de)
JP (1)	JP2006525959A (de)
KR (1)	KR20050096953A (de)
CN (1)	CN1747746A (de)
AT (1)	ATE410184T1 (de)
AU (1)	AU2004210436A1 (de)
BR (1)	BRPI0406490A (de)
CA (1)	CA2514558C (de)
DE (1)	DE602004016958D1 (de)
ES (1)	ES2314370T3 (de)
MX (1)	MXPA05007992A (de)
PL (1)	PL378172A1 (de)
RU (1)	RU2005127622A (de)
WO (1)	WO2004069134A2 (de)
ZA (1)	ZA200505692B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8263580B2 (en) *	1998-09-11	2012-09-11	Stiefel Research Australia Pty Ltd	Vitamin formulation
DE602004012440T2 (de) *	2003-11-21	2009-03-26	Galderma Research & Development	Sprühbare zusammensetzung zur verabreichung von vitamin d derivaten
FR2867682B1 (fr) *	2004-03-22	2009-06-05	Galderma Res & Dev	Composition pharmaceutique anhydre associant un agent silicone et un principe actif solubilise.
FR2871699A1 (fr) *	2004-06-17	2005-12-23	Galderma Sa	Composition de type emulsion inverse contenant du calcitrol et du 17-propionate de clobetasol, et ses utilisations en cosmetiques et en dermatologie
EP2526930B1 (de)	2005-06-01	2013-12-25	GlaxoSmithKline Intellectual Property Development Limited	Vitaminformulierung
FR2887150B1 (fr) *	2005-06-17	2007-08-03	Galderma Res & Dev	Composition pharmaceutique comprenant un elastomere organopolysiloxane et un principe actif solubilise
FR2892936A1 (fr) *	2005-11-10	2007-05-11	Galderma Res & Dev	Composition pharmaceutique ou cosmetique, et procede de solubilisation mixte pour preparer la composition.
PT1891960E (pt) *	2006-08-17	2010-01-04	Klever Mode S L	Fórmula farmacêutica para o tratamento de doenças da pele
CA2644820A1 (en)	2007-11-27	2009-05-27	Engineered Drilling Solutions Inc.	Glycerol based drilling fluids
JP2012513387A (ja) *	2008-12-23	2012-06-14	ガルデルマ・ソシエテ・アノニム	感水性の活性成分を含む、局所用医薬組成物
MX2013002382A (es)	2010-08-31	2013-04-03	Living Proof Inc	Composiciones cutaneas y metodos para su uso.
AU2012312170C1 (en) *	2011-09-21	2018-01-04	Shiseido Company, Ltd.	Compositions and methods for treating conditions of compromised skin barrier function
EP2875803A1 (de) *	2013-11-26	2015-05-27	OTC GmbH	Polyol-in-Öl-Emulsionen zur dermalen Verabreichung
US20180200263A1 (en) *	2015-07-07	2018-07-19	Pearl E. Grimes	TOPICAL TREATMENT REGIMENS CONTAINING A PROSTAGLANDIN F2a ANALOG AND A TOPICAL STEROID
CN113797119A (zh)	2015-11-09	2021-12-17	株式会社资生堂	用于在皮肤上应用的组合物和方法
EP3856138A1 (de)	2018-09-27	2021-08-04	Shiseido Company, Ltd.	Zusammensetzungen und verfahren zum auftragen auf der haut

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE8004580L (sv) *	1980-06-19	1981-12-20	Draco Ab	Farmaceutisk beredning
DK0437225T3 (da) *	1990-01-10	1994-06-27	Hoffmann La Roche	Topiske præparater
US5362719A (en) *	1990-03-01	1994-11-08	Leo Pharmaceutical Products, Ltd. A/S Lovens Kemiske Fabrik Produktionsaktieselskab)	Use of vitamin-D analogues in the treatment of acne
FR2742354B1 (fr) *	1995-12-15	1998-01-23	Oreal	Emulsion e/h/e stable contenant un actif cosmetique et/ou dermatologique sensible a l'eau
JP3474720B2 (ja) *	1996-10-23	2003-12-08	株式会社資生堂	油中水型乳化化粧料
JP3699543B2 (ja) *	1996-11-13	2005-09-28	株式会社ノエビア	抗菌剤及びこれを含有して成る抗菌性化粧料
US20010002396A1 (en) *	1998-07-16	2001-05-31	Charles Achkar	Compositions and methods of treating skin conditions
US6080394A (en) *	1999-11-08	2000-06-27	Dow Corning Corporation	Polar solvent-in-oil emulsions and multiple emulsions
FR2817476B1 (fr) *	2000-12-05	2003-01-03	Oreal	Composition de soin de maquillage contenant des fibres et un copolymere dispersant
FR2825087B1 (fr) *	2001-05-22	2005-01-14	Galderma Res & Dev	Analogues de la vitamine d
US20020197228A1 (en) *	2001-05-29	2002-12-26	Lasala William Kater	Skin care kit
JP2004175731A (ja) *	2002-11-28	2004-06-24	Noevir Co Ltd	老化防止用皮膚外用剤

2004
- 2004-02-03 EP EP04707534A patent/EP1592452B1/de not_active Expired - Lifetime
- 2004-02-03 RU RU2005127622/15A patent/RU2005127622A/ru not_active Application Discontinuation
- 2004-02-03 JP JP2006501985A patent/JP2006525959A/ja active Pending
- 2004-02-03 WO PCT/EP2004/004526 patent/WO2004069134A2/en not_active Ceased
- 2004-02-03 KR KR1020057013818A patent/KR20050096953A/ko not_active Withdrawn
- 2004-02-03 PL PL378172A patent/PL378172A1/pl unknown
- 2004-02-03 DE DE602004016958T patent/DE602004016958D1/de not_active Expired - Lifetime
- 2004-02-03 CA CA2514558A patent/CA2514558C/en not_active Expired - Fee Related
- 2004-02-03 MX MXPA05007992A patent/MXPA05007992A/es not_active Application Discontinuation
- 2004-02-03 CN CNA2004800035965A patent/CN1747746A/zh active Pending
- 2004-02-03 AU AU2004210436A patent/AU2004210436A1/en not_active Abandoned
- 2004-02-03 ES ES04707534T patent/ES2314370T3/es not_active Expired - Lifetime
- 2004-02-03 BR BR0406490-9A patent/BRPI0406490A/pt not_active Application Discontinuation
- 2004-02-03 AT AT04707534T patent/ATE410184T1/de not_active IP Right Cessation
2005
- 2005-07-15 ZA ZA200505692A patent/ZA200505692B/xx unknown
- 2005-08-04 US US11/196,301 patent/US20060029623A1/en not_active Abandoned

Also Published As

Publication number	Publication date
JP2006525959A (ja)	2006-11-16
US20060029623A1 (en)	2006-02-09
ES2314370T3 (es)	2009-03-16
RU2005127622A (ru)	2006-01-20
KR20050096953A (ko)	2005-10-06
CA2514558A1 (en)	2004-08-19
CA2514558C (en)	2012-01-03
CN1747746A (zh)	2006-03-15
AU2004210436A1 (en)	2004-08-19
MXPA05007992A (es)	2005-09-20
BRPI0406490A (pt)	2005-12-06
ZA200505692B (en)	2006-10-25
EP1592452A2 (de)	2005-11-09
DE602004016958D1 (de)	2008-11-20
PL378172A1 (pl)	2006-03-06
WO2004069134A8 (en)	2006-08-24
WO2004069134A3 (en)	2004-09-23
WO2004069134A2 (en)	2004-08-19
EP1592452B1 (de)	2008-10-08

Legal Events

Date	Code	Title	Description
2009-04-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties

Publication	Publication Date	Title
ATE410184T1 (de)	2008-10-15	Umkehremulsion mit mindestens einem gegenüber wasser empfindlichen wirkstoff und ihre anwendungen in kosmetik und dermatologie
Syed Azhar et al.	2018	Development of a kojic monooleate-enriched oil-in-water nanoemulsion as a potential carrier for hyperpigmentation treatment
Singh et al.	2022	A review on green nanoemulsions for cosmetic applications with special emphasis on microbial surfactants as impending emulsifying agents
BR9915963A (pt)	2001-08-21	Emulsão óleo em água cosmética ou para o cuidado pessoal, método de produção de uma emulsão, formulação de estabilizador de emulsificante de mistura seca, mistura seca, e, uso de uma combinação de polissacarìdeo, de um polissacarìdeo de xantano e de um polissacarìdeo de poliglucomanano
Lopez-Diaz et al.	2005	Synergism in mixtures of zwitterionic and ionic surfactants
DE69900065D1 (de)	2001-04-26	Nanoemulsion aus Blockcopolymeren von Ethylenoxid und Propylenoxid und deren Verwendungen in Kosmetika, Dermatologie, Pharmazeutika und/oder Ophthalmologie
ATE228125T1 (de)	2002-12-15	Alpha-azacyclomethylchinolinderivate zur behandlung von harninkontinenz
US20050048020A1 (en)	2005-03-03	Novel topical delivery system for plant derived anti-irritants
DE69304065D1 (de)	1996-09-19	Herstellung und verwendung von, auf basis von cyclodextrin dispergierbaren kolloidal-systemen, in form von nanokugeln
ATE206632T1 (de)	2001-10-15	Nanoemulsion aus fettsäureestern von phosphorsäure und deren verwendung in kosmetika, dermatologie, pharmazeutika und/oder ophthalmologie
ES2140988T3 (es)	2000-03-01	Emulsion de aceite-en-agua estable, su procedimiento de fabricacion y su utilizacion en los ambitos cosmetico y dermatologico.
ATE356606T1 (de)	2007-04-15	Juckreizstillende kosmetische und dermatologische zubereitungen
Woolfson et al.	2000	Rheological, mechanical and membrane penetration properties of novel dual drug systems for percutaneous delivery
Rozman et al.	2007	Stability of vitamins C and E in topical microemulsions for combined antioxidant therapy
Chellapa et al.	2016	Nanoemulsion for cosmetic application
Palma et al.	2002	Coagels from ascorbic acid derivatives
EP1077062A3 (de)	2003-05-14	Dünnflüssige kosmetische oder dermatologische Zubereitungen von Typ Öl-in-Wasser
ATE375161T1 (de)	2007-10-15	Umkehremulsionszusammensetzung mit calcitriol und clobetasol-17-propionat und ihre kosmetische und dermatologische verwendung
ATE253820T1 (de)	2003-11-15	Wirkstoffhaltige komposition sowie deren herstellung und verwendung
CN114557949A (zh)	2022-05-31	一种含珍珠粉的皮克林乳液组合物及其制备方法
EP0103910A1 (de)	1984-03-28	Präparate mit hautkonditionierenden Eigenschaften die ein hautaufweichendes Mittel enthalten
ATE328571T1 (de)	2006-06-15	Emulgatorfreie feindisperse systeme vom typ wasser-in-öl
Deveci	2025	Nanoemulsions in Cosmetics: Enhancing Efficacy and Stability
BR0211735A (pt)	2004-09-21	Composições, composição cosmética ou dermatológica, uso cosmético de uma composição e uso de uma composição
Singh et al.	2023	Role of alkyl chain present in the cations of ionic liquids on stabilization of silver nanoparticle: DFT and TD-DFT studies