EP 0100280 A1 19840208 - Quenching bath, and process for quenching metals.

Title (en)

Quenching bath, and process for quenching metals.

Title (de)

Abschreckbad und Verfahren zum Abschrecken von Metallen.

Title (fr)

Bain et procédé de trempe des métaux.

Publication

EP 0100280 A1 19840208 (FR)

Application

EP 83401521 A 19830725

Priority

FR 8212921 A 19820723

Abstract (en)

[origin: US4441937A] Bath for the quenching of ferrous and nonferrous metals and their alloys, comprising a hydrogenated starch hydrolysate having, expressed with respect to the dry matter, a percentage of products of degree of polymerization 1 and 2 comprised between 1 and 90, the complement to 100 being constituted by products of degree of polymerization equal to or higher than 3.

Abstract (fr)

Application à la trempe des métaux ferreux, non ferreux et de leurs alliages, d'un hydrolysat d'amidon hydrogéné présentant, exprimé sur la matière sèche, un pourcentage de produits de degré de polymérisation 1 et 2 compris entre 1 et 90, le complément à 100 étant constitué par des produits de degré de polymérisation égal ou supérieur à 3.

IPC 1-7

C21D 1/60

IPC 8 full level

C21D 1/60 (2006.01)

CPC (source: EP US)

C21D 1/60 (2013.01 - EP US)

Citation (search report)

[A] FR 2438099 A1 19800430 - CENTRE RECH METALLURGIQUE [BE]
[A] FR 1384244 A 19650104 - UNION CARBIDE CORP
[A] FR 1167785 A 19581128
[X] PATENTS ABSTRACTS OF JAPAN, vol. 2, no. 110, 13 septembre 1978, page 2061 C 78 & JP-A-53 073 406 (NIKKEN KAGAKU K.K.) 29-06-1978
[X] DERWENT JAPANESE PATENTS REPORT, vol. 74, no. 45, 10 décembre 1974, section M, page 1, colonne de gauche, Londres, GB. & JP-A-49 040 324 (KANTO YAKIN KOGYO K.K.) 01-11-1974

Designated contracting state (EPC)

AT BE DE GB IT LU NL SE

DOCDB simple family (publication)

EP 0100280 A1 19840208; EP 0100280 B1 19870121; AT E25110 T1 19870215; AU 1726283 A 19840126; AU 542742 B2 19850307; BR 8303929 A 19840228; CA 1232828 A 19880216; DE 3369345 D1 19870226; ES 524360 A0 19840416; ES 8403973 A1 19840416; FR 2530668 A1 19840127; FR 2530668 B1 19870507; JP S5935617 A 19840227; US 4441937 A 19840410; ZA 835377 B 19850227

DOCDB simple family (application)

EP 83401521 A 19830725; AT 83401521 T 19830725; AU 1726283 A 19830725; BR 8303929 A 19830722; CA 432914 A 19830721; DE 3369345 T 19830725; ES 524360 A 19830722; FR 8212921 A 19820723; JP 13423883 A 19830722; US 51546683 A 19830720; ZA 835377 A 19830722