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WO1997011815B1 - Composition and method for refinishing compact disks - Google Patents

Composition and method for refinishing compact disks

Info

Publication number
WO1997011815B1
WO1997011815B1 PCT/US1996/015408 US9615408W WO9711815B1 WO 1997011815 B1 WO1997011815 B1 WO 1997011815B1 US 9615408 W US9615408 W US 9615408W WO 9711815 B1 WO9711815 B1 WO 9711815B1
Authority
WO
WIPO (PCT)
Prior art keywords
weight percent
wax
composition
solvent
amount
Prior art date
Application number
PCT/US1996/015408
Other languages
French (fr)
Other versions
WO1997011815A1 (en
Filing date
Publication date
Priority claimed from US08/533,751 external-priority patent/US5641345A/en
Application filed filed Critical
Priority to EP96933141A priority Critical patent/EP0852528A1/en
Priority to JP9513620A priority patent/JPH11515043A/en
Priority to AU71682/96A priority patent/AU7168296A/en
Publication of WO1997011815A1 publication Critical patent/WO1997011815A1/en
Publication of WO1997011815B1 publication Critical patent/WO1997011815B1/en

Links

Abstract

Disclosed is a polishing composition for refinishing a plastic surface of a compact disk. The composition is made of (a) from about 15 to about 25 weight percent of a solvent for the plastic surface, (b) from about 12.5 to about 35 weight percent of an abrasive particulate, (c) from about 15 to about 35 weight percent of a petroleum distillate, (d) from about 2 to about 10 weight percent of a hard wax, and (e) from about 15 to about 25 weight percent water.

Claims

AMENDED CLAIMS[received by the International Bureau on 12 April 1997 (12.04.97); original claims 1, 5, 7, 13, 17 and 19 amended; remaining claims unchanged (3 pages)]
1. A composition for refinishing a compact disk having a plastic surface comprising:
(a) from about 15 to about 25 weight percent of a solvent for the plastic surface; (b) from about 12.5 to about 35 weight percent of an abrasive particulate;
(c) from about 15 to about 25 weight percent of a petroleum distillate;
(d) from about 2 to about 10 weight percent of a hard wax; and
(e) from about 15 to about 25 weight percent water, where the weight percentages are based on the total weight ofthe polishing composition.
2. The composition of claim 1, wherein the solvent is selected from the group consisting of acetone, methylene chloride, methyl ethyl ketone, mesityl oxide, diacetyl alcohol or mixtures thereof.
3. The composition of claim 1 , wherein the solvent is a solvent for polycarbonate.
4. The composition of claim 3, wherein the solvent is acetone.
5. The composition of claim 1, wherein the abrasive particulate has a particle size of from about 600 grit to about 5μ.
6. The composition of claim 1, wherein the abrasive particulate has a particle size of from about 1000 to about 600 grit.
7. The composition of claim 6, wherein the abrasive particulate is selected from the group consisting of aluminum oxides, diatomaceous earths, aluminum silicates, pumice, Fuller's earth,, silicates, tripoli, hydrated calcium silicates, colloidal clay, magnesium oxides, red iron oxides, tin oxides or mixtures thereof.
8. The composition of claim 6, wherein the abrasive particulate is an aluminum oxide.
9. The composition of claim 1, wherein the wax is selected from the group consisting of camauba wax, candelilla wax, japan wax, ceresin wax, synthetic waxes, or mixtures thereof.
10. The composition of claim 1 , wherein the wax is camauba wax.
11. The composition of claim 1 , wherein the solvent is acetone, the abrasive is aluminum oxide, and the wax is camauba wax.
12. The composition of claim 11, wherein the acetone is present in an amount of from about 17.5 to about 22.5 weight percent, the aluminum oxide is present in an amount of from about 20 to about 35 weight percent, the petroleum distillate is present in an amount of from about 17.5 to about 22.5 weight percent, the camauba wax is present in an amount of about 5 weight percent and the water is -present in an amount of from about 17.5 to about 22.5 weight percent.
13. A method for refinishing a compact disk having a plastic surface comprising the steps of: applying a polishing composition to the plastic layer, where the polishing composition comprises: (a) from about 15 to about 25 weight percent of a solvent for the plastic surface;
(b) from about 12.5 to about 35 weight percent of an abrasive particulate;
(c) from about 15 to about 25 weight percent of a petroleum distillate;
(d) from about 2 to about 10 weight percent of a hard wax, and (e) from about 15 to about 25 weight percent water, where the weight percentages are based on the total weight ofthe polishing composition; rubbing the polishing composition onto the plastic surface with sufficient force to treat substantially all the scratches; and then removing the residual polishing composition to produce a refinished exterior surface.
14. The method of claim 13, wherein the solvent is selected from the group consisting of acetone, methylene chloride, methyl ethyl ketone, mesityl oxide, diacetyl alcohol and mixtures thereof.
15. The method of claim 13, wherein the solvent is a solvent for polycarbonate.
16. The method of claim 15, wherein the solvent is acetone.
17. The method of claim 13, wherein the abrasive particulate has a particle size of from about 600 grit to about 5μ.
18. The method of claim 13, wherein the abrasive particulate has a particle size of from about 1000 to about 600 grit.
19. The method of claim 18, wherein the abrasive particulate is selected from the group consisting of aluminum oxides, diatomaceous earths, aluminum silicates, pumice, Fuller's earth,, silicates, tripoli, hydrated calcium silicates, colloidal clay, magnesium oxides, red iron oxides, tin oxides or mixtures thereof.
20. The method of claim 18, wherein the abrasive particulate is an aluminum oxide.
21. The method of claim 13, wherein the wax is selected from the group consisting of camauba wax, candelilla wax, japan wax, ceresin wax, synthetic waxes, or mixtures thereof.
22. The method of claim 13, wherein the wax is camauba wax.
23. The method of claim 13, wherein the solvent is acetone, the abrasive is aluminum oxide, and the wax is camauba wax.
24. The method of claim 23, wherein the acetone is present in an amount of from about 17.5 to about 22.5 weight percent, the aluminum oxide is present in an amount of from about 20 to about 35 weight percent, the petroleum distillate is present in an amount of from about 17.5 to about 22.5 weight percent, the camauba wax is present in an amount of from about 5 weight percent, and the water is present in an amount of about 17.5 to about 22.5 weight percent.
25. The method in accordance with claim 13 further comprising allowing substantially all the solvent to evaporate before removing residual polishing composition.
PCT/US1996/015408 1995-09-26 1996-09-26 Composition and method for refinishing compact disks WO1997011815A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP96933141A EP0852528A1 (en) 1995-09-26 1996-09-26 Composition and method for refinishing compact disks
JP9513620A JPH11515043A (en) 1995-09-26 1996-09-26 Composition and method for refinishing a compact disc
AU71682/96A AU7168296A (en) 1995-09-26 1996-09-26 Composition and method for refinishing compact disks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/533,751 US5641345A (en) 1995-09-26 1995-09-26 Composition and method for refinishing compact disks
US533,751 1995-09-26

Publications (2)

Publication Number Publication Date
WO1997011815A1 WO1997011815A1 (en) 1997-04-03
WO1997011815B1 true WO1997011815B1 (en) 1997-06-05

Family

ID=24127308

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1996/015408 WO1997011815A1 (en) 1995-09-26 1996-09-26 Composition and method for refinishing compact disks

Country Status (6)

Country Link
US (1) US5641345A (en)
EP (1) EP0852528A1 (en)
JP (1) JPH11515043A (en)
AU (1) AU7168296A (en)
CA (1) CA2232784A1 (en)
WO (1) WO1997011815A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6368526B1 (en) 1998-01-05 2002-04-09 Joseph J. Bango, Jr. Method and means of restoring physically damaged compact discs
US6086797A (en) * 1998-01-05 2000-07-11 Bango, Jr.; Joseph J. Method for providing smooth surfaces on plastics
GB2343288A (en) * 1998-10-29 2000-05-03 Rocky Mountain Traders Ltd Reconditioning of digital recording discs
US6172775B1 (en) * 1998-12-08 2001-01-09 Eastman Kodak Company Composition for repairing and removing scratches from photographic surfaces
US7459419B2 (en) * 2003-08-28 2008-12-02 Anderson Leslie C CD cleaner and restorer composition and method
US20100330884A1 (en) * 2009-06-29 2010-12-30 Ferro Corporation Diatomaceous Earth-Containing Slurry Composition And Method For Polishing Organic Polymer-Based Ophthalmic Substrates Using The Same

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1901728A (en) * 1927-12-02 1933-03-14 Chadeloid Chemical Co Finish remover
US1884767A (en) * 1928-06-29 1932-10-25 Chadeloid Chemical Co Paint and varnish remover containing activated acetone
US1999165A (en) * 1932-01-14 1935-04-23 Chadeloid Chemical Co Finish remover
US2207967A (en) * 1937-11-04 1940-07-16 Du Pont Paint and varnish remover
US2214263A (en) * 1938-08-08 1940-09-10 Mcaleer Mfg Company Polishing composition
US2295132A (en) * 1940-03-22 1942-09-08 Standard Oil Co Polish
US4218250A (en) * 1978-09-28 1980-08-19 Dow Corning Corporation Polish formulations
JPS59157169A (en) * 1983-02-28 1984-09-06 Mitsubishi Mining & Cement Co Ltd Polishing agent for finishing
JPH0197560A (en) * 1987-10-09 1989-04-17 Showa Denko Kk Composition for polishing aluminum magnetic disc
JPH0214280A (en) * 1988-07-01 1990-01-18 Showa Denko Kk Composition for polishing plastic
JPH0284485A (en) * 1988-09-20 1990-03-26 Showa Denko Kk Abrasive composition for aluminum magnetic disk
US5094687A (en) * 1989-02-15 1992-03-10 Minnesota Mining And Manufacturing Company Buffing composition
JP2829344B2 (en) * 1989-07-06 1998-11-25 株式会社ソフト九九コーポレーション Cleaning and coating protective agent for optical discs
US5017222A (en) * 1989-12-07 1991-05-21 Dow Corning Corporation Polish containing micronized wax particles
US5334335A (en) * 1992-10-19 1994-08-02 Clearfix Corporation Compositions and methods for repairing and removing scratches and other imperfections from plastic surfaces

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