TW200516175A - Tarnish inhibiting composition and article containing it - Google Patents
Tarnish inhibiting composition and article containing itInfo
- Publication number
- TW200516175A TW200516175A TW093115399A TW93115399A TW200516175A TW 200516175 A TW200516175 A TW 200516175A TW 093115399 A TW093115399 A TW 093115399A TW 93115399 A TW93115399 A TW 93115399A TW 200516175 A TW200516175 A TW 200516175A
- Authority
- TW
- Taiwan
- Prior art keywords
- silver
- polymer
- solid
- film
- stored
- Prior art date
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Packages (AREA)
Abstract
An effective tarnish inhibiting ("TI") polymer composition including a scavenger for hydrogen sulfide optionally in the presence of an acid gas such as sulfur dioxide, provides excellent protection against tarnishing of the lustrous surfaces of a silver object. When the composition is thermoformed into a box-like container or extruded as film which contains uniformly dispersed solid micron-sized particles of the scavenger chosen from zinc oxide and a silicate of an alkali metal in an amount no greater than 5% by weight of the polymer, it is transparent so that the condition of the stored silver may be assessed. A solid inert adjuvant may be added. All solid particles in the material have a primary particle size smaller than 53 μm which makes it possible to obtain the uniform dispersion. A silver object may be wrapped in the film, or stored in a sealed box so that the solid particles in the polymer are not coated on the surfaces of the silver object.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5403202A | 2002-01-22 | 2002-01-22 | |
US10/453,303 US20030207974A1 (en) | 2002-01-22 | 2003-06-03 | Tarnish inhibiting formula and tarnish inhibiting articles using same |
US10/676,760 US7261839B2 (en) | 2002-01-22 | 2003-10-01 | Tarnish inhibiting composition and article containing it |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200516175A true TW200516175A (en) | 2005-05-16 |
TWI347374B TWI347374B (en) | 2011-08-21 |
Family
ID=47288970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW093115399A TWI347374B (en) | 2002-01-22 | 2004-05-28 | Tarnish inhibiting composition and article containing it |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWI347374B (en) |
-
2004
- 2004-05-28 TW TW093115399A patent/TWI347374B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TWI347374B (en) | 2011-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |