DE58904343D1 - USE OF A HIGH GOLD ALLOY FOR JEWELERY. - Google Patents

USE OF A HIGH GOLD ALLOY FOR JEWELERY.

Info

Publication number
DE58904343D1
DE58904343D1 DE8989118634T DE58904343T DE58904343D1 DE 58904343 D1 DE58904343 D1 DE 58904343D1 DE 8989118634 T DE8989118634 T DE 8989118634T DE 58904343 T DE58904343 T DE 58904343T DE 58904343 D1 DE58904343 D1 DE 58904343D1
Authority
DE
Germany
Prior art keywords
jewelery
weight
gold alloy
high gold
gold
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8989118634T
Other languages
German (de)
Inventor
Lorenz Dr Berchtold
Ulrich Dr Dipl Ing Muerrle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
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.)
Filing date
Publication date
Application filed by Degussa GmbH filed Critical Degussa GmbH
Application granted granted Critical
Publication of DE58904343D1 publication Critical patent/DE58904343D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00—Making jewellery or other personal adornments
    • A44C27/001—Materials for manufacturing jewellery
    • A44C27/002—Metallic materials
    • A44C27/003—Metallic alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C5/00—Alloys based on noble metals
    • C22C5/02—Alloys based on gold

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Adornments (AREA)
  • Ceramic Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Eyeglasses (AREA)

Abstract

To produce jewellery articles and coins, a high-gold content alloy of 84 to 99% by weight of gold, 1 to 6% by weight of cobalt, 0 to 6% by weight of copper and 0 to 4% by weight of silver and/or zinc is used. It is hardenable and is tolerated by the skin.
DE8989118634T 1988-10-19 1989-10-06 USE OF A HIGH GOLD ALLOY FOR JEWELERY. Expired - Fee Related DE58904343D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3835593A DE3835593C1 (en) 1988-10-19 1988-10-19

Publications (1)

Publication Number Publication Date
DE58904343D1 true DE58904343D1 (en) 1993-06-17

Family

ID=6365457

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3835593A Expired DE3835593C1 (en) 1988-10-19 1988-10-19
DE8989118634T Expired - Fee Related DE58904343D1 (en) 1988-10-19 1989-10-06 USE OF A HIGH GOLD ALLOY FOR JEWELERY.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3835593A Expired DE3835593C1 (en) 1988-10-19 1988-10-19

Country Status (8)

Country Link
EP (1) EP0369156B1 (en)
JP (1) JPH02166244A (en)
AT (1) ATE89330T1 (en)
DE (2) DE3835593C1 (en)
DK (1) DK517189A (en)
ES (1) ES2040434T3 (en)
FI (1) FI894976A0 (en)
NO (1) NO172753C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02197539A (en) * 1989-01-26 1990-08-06 Tanaka Kikinzoku Kogyo Kk Co-containing noble metallic material for ornaments
JPH02225655A (en) * 1989-02-28 1990-09-07 Agency Of Ind Science & Technol Gold alloy capable of coloring into bright black color and coloring method therefor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1175885B (en) * 1964-08-13 Dr. Eugen Dürrwächter DODUCO, Pforzheim Use of a heterogenized gold-cobalt alloy as a material for electrical contacts with practically no material migration in low-current circuits through which direct current flows and with self-induction within certain limits
US2164938A (en) * 1938-08-23 1939-07-04 Metals & Controls Corp Alloy
US2141157A (en) * 1938-08-23 1938-12-20 Metals & Controls Corp Alloy
US2223046A (en) * 1938-12-02 1940-11-26 Metals & Controls Corp Alloy
DE2136232A1 (en) * 1971-07-20 1973-02-01 Degussa Hard gold alloys - contg cobalt, iron and/or nickel for dental applications
GB1491155A (en) * 1976-04-07 1977-11-09 Fulmer Res Inst Ltd Gold alloys
GB2138027B (en) * 1983-04-12 1986-09-10 Citizen Watch Co Ltd A process for plating an article with a gold-based alloy and an alloy therefor
JPS62185846A (en) * 1986-02-07 1987-08-14 Citizen Watch Co Ltd Gold-platinum-cobalt permanent magnet alloy

Also Published As

Publication number Publication date
EP0369156B1 (en) 1993-05-12
DK517189D0 (en) 1989-10-18
DE3835593C1 (en) 1989-11-16
DK517189A (en) 1990-04-20
NO893393D0 (en) 1989-08-23
ATE89330T1 (en) 1993-05-15
EP0369156A1 (en) 1990-05-23
FI894976A0 (en) 1989-10-19
NO172753C (en) 1993-09-01
ES2040434T3 (en) 1993-10-16
JPH02166244A (en) 1990-06-26
NO172753B (en) 1993-05-24
NO893393L (en) 1990-04-20

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee