(12) International Application Status Report

Received at International Bureau: 26 August 2011 (26.08.2011)

Information valid as of: 28 February 2013 (28.02.2013)

Report generated on: 28 February 2021 (28.02.2021)

(10) Publication number: (43) Publication date: (26) Publication language:
WO 2012/02298323 February 2012 (23.02.2012) English (EN)

(21) Application number: (22) Filing date: (25) Filing language:
PCT/GB2011/05156519 August 2011 (19.08.2011) English (EN)

(31) Priority number(s): (32) Priority date(s): (33) Priority status:
1014024.2 (GB)20 August 2010 (20.08.2010) Priority document received (in compliance with PCT Rule 17.1)

(51) International Patent Classification:
G02B 1/11 (2006.01)

(71) Applicant(s):
OXFORD ENERGY TECHNOLOGIES LIMITED [GB/GB]; Begbroke Science Park Sandy Lane Yarnton Oxfordshire OX5 1PF (GB) (for all designated states except US)
WAKEFIELD, Gareth [GB/GB]; Oxford Advanced Surfaces Limited Begbroke Science Park Sandy Lane Yarnton Oxfordshire OX5 1PF (GB) (for US only)
GARDENER, Martin [GB/GB]; Oxford Advanced Surfaces Limited Begbroke Science Park Sandy Lane Yarnton Oxfordshire OX5 1PF (GB) (for US only)
OSTROWSKI, Sasha [GB/GB]; Oxford Advanced Surfaces Limited Begbroke Science Park Sandy Lane Yarnton Oxfordshire OX5 1PF (GB) (for US only)

(72) Inventor(s):
WAKEFIELD, Gareth; Oxford Advanced Surfaces Limited Begbroke Science Park Sandy Lane Yarnton Oxfordshire OX5 1PF (GB)
GARDENER, Martin; Oxford Advanced Surfaces Limited Begbroke Science Park Sandy Lane Yarnton Oxfordshire OX5 1PF (GB)
OSTROWSKI, Sasha; Oxford Advanced Surfaces Limited Begbroke Science Park Sandy Lane Yarnton Oxfordshire OX5 1PF (GB)

(74) Agent(s):
MURGITROYD & COMPANY; Scotland House 165-169 Scotland Street Glasgow Strathclyde G5 8PL (GB)

(54) Title (EN): OPTICAL COATING COMPRISING POROUS SILICA NANOPARTICLES
(54) Title (FR): REVÊTEMENT OPTIQUE COMPRENANT DES NANOPARTICULES DE SILICE POREUSE

(57) Abstract:
(EN): An optical coating comprising a binder and a plurality of porous silica nanoparticles in which the pores are randomly oriented, a solution for forming an optical coating comprising a solvent and a plurality of porous silica nanoparticles in which the pores are randomly oriented, a method for fabricating an optical coating, and the use of porous silica nanoparticles in which the pores are randomly oriented in the manufacture of an optical coating.
(FR): La présente invention concerne un revêtement optique comprenant un liant et une pluralité de nanoparticules de silice poreuse dans lesquelles les pores sont orientés de façon aléatoire, une solution pour former un revêtement optique comprenant un solvant et une pluralité de nanoparticules de silice poreuse dans lesquelles les pores sont orientés de façon aléatoire, un procédé pour fabriquer un revêtement optique, et l'utilisation de nanoparticules de silice poreuse dans lesquelles les pores sont orientés de façon aléatoire dans la fabrication d'un revêtement optique.

International search report:
Received at International Bureau: 14 November 2011 (14.11.2011) [EP]

International Report on Patentability (IPRP) Chapter II of the PCT:
Not available

(81) Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, QA, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
European Patent Office (EPO) : AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR
African Intellectual Property Organization (OAPI) : BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG
African Regional Intellectual Property Organization (ARIPO) : BW, GH, GM, KE, LR, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW
Eurasian Patent Organization (EAPO) : AM, AZ, BY, KG, KZ, MD, RU, TJ, TM