US3660149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated foamed aluminum body
Assignee: Ethyl Corp
•
Filing: 1969-10-24
•
Granted: 1972-05-02
•
Expires: 1989-10-24
Abstract
Abstract Foamed aluminum bodies are coated with a polyvinyl chloride composition, the composition being a mixture of polyvinyl chloride made by a suspension process and that made by an emulsion process. Pigments, stabilisers and plasticizers may be added.
Inventors
- 👤 Michael E Kucsma
- 👤 Wallace W Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:30
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/14; B05D7/24; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249967; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
16 words
The foamed aluminum body of claim 1, wherein said polymer composition coating is electrostatically placed thereon.
Claim 2
Dependent Claim
54 words
The foamed aluminum body of claim 1 wherein said polyvinyl chloride resin produced by said suspension process has a particle size distribution of 100 percent smaller than 60 mesh, 99 percent smaller than 80 mesh, 95 percent smaller than 100 mesh, 80 percent smaller than 140 mesh, and 39 percent smaller than 200 mesh.
Claim 3
Dependent Claim
60 words
The foamed aluminum body of claim 1 wherein said polyvinyl chloride resin produced by said emulsion process has a particle size distribution of 100 percent smaller than 60 mesh, 88 percent smaller than 80 mesh, 83 percent smaller than 100 mesh, 74 percent smaller than 140 mesh, 67 percent smaller than 200 mesh, and 54 percent smaller than 325 mesh.
Claim 4
Dependent Claim
14 words
The foamed aluminum body of claim 1 wherein said plasticizer consists of di-2-ethylhexyl phthalate.
Claim 5
Dependent Claim
15 words
The foamed aluminum body of claim 1 wherein said polyvinyl chloride composition includes a pigment.
Claim 6
Dependent Claim
19 words
The foamed aluminum body of claim 1 wherein said foamed aluminum body is an alloy having 6-8 percent magnesium.
Claim 7
Dependent Claim
29 words
The foamed aluminum body of claim 1 wherein said foamed aluminum body has an average pore size of from about one thirty-second to about three thirty-seconds of an inch.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |