US4003872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-pigmented plastic powder and process
Assignee: Silberline Manufacturing Co Inc
•
Filing: 1973-07-19
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Granted: 1977-01-18
•
Expires: 1993-07-19
Abstract
Abstract A process for producing a polished metal flake pigmented, plastic powder product, which process includes brush polishing metal flake particles and plastic particles together. Unique products produced by this process.
Inventors
- 👤 Rolf Rolles
- 👤 James E. Williams, Jr.
- 👤 Thomas J. Kondis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:55
CPC Classifications
B; B44; B44F; B44F1/00; B44F1/02; B44F1/04; B05; B05D; B05D5/00; B05D5/06; B05D5/067; B29; B29B; B29B9/00; B29B9/12; B29B9/16; C; C09; C09D; C09D5/00; C09D5/38; C09D7/00; C09D7/80; B05D1/00; B05D1/02; B05D1/04; B05D1/06; B05D2401/00; B05D2401/30; B05D2401/32; B29B2009/163; Y; Y10; Y10S; Y10S524/00; Y10S524/904
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
73 words
A process for producing a polished metal, plastic powder product, comprising brush polishing metal flake particles and plastic particles together, wherein the metal flake particles are aluminum and the plastic particles are based on thermosetting epoxy resin, have a specific gravity of 1.15 to 1.98, a melting point of 185° to 205° F, a time to gel of approximately 100 to 120 seconds at 360° F and volatiles of less than one weight-%.
Claim 2
Dependent Claim
73 words
A process for producing a polished metal, plastic powder product, comprising brush polishing metal flake particles and plastic particles together, wherein the metal flake particles are aluminum and the plastic particles are based on thermosetting epoxy resin, have a specific gravity of 1.15 to 1.98, a melting point of 185° to 205° F, a time to gel of approximately 100 to 120 seconds at 360° F and volatiles of less than one weight-%.
Claim 3
Dependent Claim
46 words
A process for producing a polished metal, plastic powder product, comprising brush polishing metal flake particles and plastic particles together, wherein the metal flake particles are present at less than 30 weight % as based on the total weight of metal flake particles and plastic particles.
Claim 4
Dependent Claim
46 words
A process for producing a polished metal, plastic powder product, comprising brush polishing metal flake particles and plastic particles together, wherein the metal flake particles are present at less than 30 weight % as based on the total weight of metal flake particles and plastic particles.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-01-18 | 1980-07-19 | 1981-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-01-18 | 1984-07-19 | 1985-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-01-18 | 1988-07-19 | 1989-01-18 | $7700.00 | Window Closed / Lapsed |