WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO2015127080) PRETREATMENT OF MAGNESIUM SUBSTRATES
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2015/127080    International Application No.:    PCT/US2015/016618
Publication Date: 27.08.2015 International Filing Date: 19.02.2015
IPC:
C23C 22/07 (2006.01), C23C 22/36 (2006.01)
Applicants: PPG INDUSTRIES OHIO, INC. [US/US]; 3800 West 143rd Street Cleveland, Ohio 44111 (US)
Inventors: SILVERNAIL, Nathan J.; (US).
KOLCUN, Adam; (US).
OKERBERG, Brian C.; (US).
LINGENFELTER, Thor G.; (US).
DEAN, Roy E.; (US)
Agent: TREBILCOCK, Christine W.; (US)
Priority Data:
14/184,998 20.02.2014 US
Title (EN) PRETREATMENT OF MAGNESIUM SUBSTRATES
(FR) PRÉTRAITEMENT DE SUBSTRATS DE MAGNÉSIUM
Abstract: front page image
(EN)A method and composition for pretreating magnesium substrates prior to the application of a protective and/or decorative surface coating is disclosed. The pretreatment composition comprises (a) a compound containing at least 4 phosphorus acid groups and (b) a soluble alkaline earth salt. In an example, the composition comprises phytic acid, calcium chloride dihydrate and tetrafluoroboric acid and the pH is adjusted to 3 with potassium hydroxide.
(FR)L'invention concerne un procédé et une composition pour le prétraitement de substrats de magnésium avant l'application d'un revêtement de surface protecteur et/ou décoratif. La composition de prétraitement comprend (a) un composé contenant au moins 4 groupes d'acide phosphoreux et (b) un sel alcalino-terreux soluble. Dans un exemple, la composition comprend de l'acide phytique, du dihydrate de chlorure de calcium et de l'acide tétrafluoroborique, et le pH est ajusté à 3 avec de l'hydroxyde de potassium.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, 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, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 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.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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 (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)