EP 0462646 A1 19911227 - Baths and process for chemical polishing stainless steel surfaces.
Title (en)
Baths and process for chemical polishing stainless steel surfaces.
Title (de)
Bäder und Verfahren zum chemischen Polieren von Oberflächen aus rostfreiem Stahl.
Title (fr)
Bains et procédé pour le polissage chimique de surfaces en acier inoxydable.
Publication
Application
Priority
BE 9000625 A 19900619
Abstract (en)
[origin: US5209820A] Baths for the chemical polishing of stainless steel surfaces which comprise a mixture of hydrochloric acid, nitric acid and phosphoric acid, a substituted or unsubstituted hydroxybenzoic acid and an amine in aqueous solution.
Abstract (fr)
Bains pour le polissage chimique de surfaces en acier inoxydable, comprenant, en solution aqueuse, un mélange d'acide chlorhydrique, d'acide nitrique et d'acide phosphorique, un acide hydroxybenzoïque éventuellement substitué et une amine.
IPC 1-7
IPC 8 full level
CPC (source: EP US)
C23F 3/06 (2013.01 - EP US)
Citation (search report)
- [XD] US 3709824 A 19730109 - ODA N, et al
- [X] EP 0274776 A1 19880720 - SOLVAY [BE]
- [Y] EP 0206386 A1 19861230 - SOLVAY [BE]
- [A] US 3839112 A 19741001 - ARCINIEGA R
- [A] SOVIET INVENTIONS ILLUSTRATED, section CH, semaine 8507, 27 mars 1989, résumé no. 85-043610/07, Derwent Publications Ltd, Londres, GB; & SU-A-1105 292 (MOSCOW MENDELEEV CHEM. IND.)
- [A] METALLOBERFLÄCHE, vol. 14, no. 1, janvier 1960, pages 1-6; G. SCHMID et al.: "Entwicklung und Untersuchung eines Säurebades zum chemischen Glänzen von V2A-Stahl"
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0462646 A1 19911227; EP 0462646 B1 19940720; AT E108838 T1 19940815; BE 1004452 A3 19921124; BG 60922 B1 19960628; BG 94644 A 19931224; BR 9102496 A 19920121; CA 2044113 A1 19911220; CN 1057494 A 19920101; CS 184191 A3 19920219; CZ 280639 B6 19960313; DE 69102947 D1 19940825; DE 69102947 T2 19950223; ES 2060286 T3 19941116; HU 209843 B 19941128; HU 912030 D0 19911230; HU T61608 A 19930128; JP H04231483 A 19920820; MY 106562 A 19950630; PL 168604 B1 19960329; PT 97999 A 19920331; RU 2086700 C1 19970810; US 5209820 A 19930511; YU 104991 A 19940405; YU 47856 B 19960219
DOCDB simple family (application)
EP 91201422 A 19910610; AT 91201422 T 19910610; BE 9000625 A 19900619; BG 9464491 A 19910618; BR 9102496 A 19910617; CA 2044113 A 19910607; CN 91104335 A 19910619; CS 184191 A 19910614; DE 69102947 T 19910610; ES 91201422 T 19910610; HU 203091 A 19910618; JP 14732291 A 19910619; MY PI19911076 A 19910614; PL 29074291 A 19910619; PT 9799991 A 19910617; SU 4895690 A 19910618; US 71296191 A 19910610; YU 104991 A 19910612