US3853591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphate coated polymeric shaped objects
Assignee: EIDP Inc
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Filing: 1973-02-07
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Granted: 1974-12-10
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Expires: 1993-02-07
Abstract
Abstract Organic polymeric shaped objects, such as films, coated with aluminum and/or ferric orthophosphate or a specific atom ratio, and a process for their preparation using colloids or solutions of the coating material are improved by replacing up to 50 percent of the metal ions with tin, titanium or zirconium ions.
Inventors
- 👤 V Haskell
- 👤 L Hench
- 👤 P Yates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:16
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/02; B05D7/04; C; C08; C08J; C08J7/00; C08J7/04; C08J7/042; C08J7/0423; C08J7/043; C08J7/046; C08J7/048; C08J7/052; B05D3/00; B05D3/10; B05D3/101; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/31855; Y10T428/31935
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
62 words
IN AN ORGANIC, POLYMERIC SHAPED ARTICLE HAVING A SUBSTANTIALLY CONTINUOUS, GAS-IMPERMEABLE COATING ON AT LEAST ONE SURFACE THEREOF, COMPRISING METAL ORTHOPHOSPHATE WHEREIN THE METAL IS ALUMINUM OR IRON AND THE ATOM RATIO OF METAL TO PHOSPHORUS IS ABOUT FROM 2.3 TO 0.5, THE IMPROVEMENT WHEREIN UP TO ABOUT 50 PERCENT OF THE METAL IONS IS REPLACED BY TIN, TITANIUM, OR ZIRCONIUM IONS.
Claim 2
Dependent Claim
62 words
IN AN ORGANIC, POLYMERIC SHAPED ARTICLE HAVING A SUBSTANTIALLY CONTINUOUS, GAS-IMPERMEABLE COATING ON AT LEAST ONE SURFACE THEREOF, COMPRISING METAL ORTHOPHOSPHATE WHEREIN THE METAL IS ALUMINUM OR IRON AND THE ATOM RATIO OF METAL TO PHOSPHORUS IS ABOUT FROM 2.3 TO 0.5, THE IMPROVEMENT WHEREIN UP TO ABOUT 50 PERCENT OF THE METAL IONS IS REPLACED BY TIN, TITANIUM, OR ZIRCONIUM IONS.
Claim 3
Dependent Claim
23 words
An article of claim 1 wherein about 5 to 40 percent of the metal ions is replaced by tin, titanium, or zirconium ions.
Claim 4
Dependent Claim
12 words
An article of claim 1 wherein the shaped article is a film.
Claim 5
Dependent Claim
18 words
An article of claim 3 further comprising a sealable topcoat on at least one surface of the film.
Claim 6
Dependent Claim
17 words
An article of claim 4 wherein the sealable surface topcoat is applied to the metal orthophosphate surface.
Claim 7
Dependent Claim
95 words
In a biaxially oriented polyethylene terephthalate film having been treated with electrical discharge to promote adhesion, having a substantially continuous, gas-impermeable coating on at least one surface thereof comprising aluminum orthophosphate in which the ratio of aluminum to phosphorus is about from 1.3 to 0.8, the coating further comprising about from 5 to 20 percent by weight of adhesion-promoting additive, the film further comprising a polyvinylidene chloride topcoat on the surface of the aluminum orthophosphate coating, the improvement wherein about 5 to 40 percent of aluminum ions is replaced by tin, titanium, or zirconium ions.
Claim 8
Dependent Claim
95 words
In a biaxially oriented polyethylene terephthalate film having been treated with electrical discharge to promote adhesion, having a substantially continuous, gas-impermeable coating on at least one surface thereof comprising aluminum orthophosphate in which the ratio of aluminum to phosphorus is about from 1.3 to 0.8, the coating further comprising about from 5 to 20 percent by weight of adhesion-promoting additive, the film further comprising a polyvinylidene chloride topcoat on the surface of the aluminum orthophosphate coating, the improvement wherein about 5 to 40 percent of aluminum ions is replaced by tin, titanium, or zirconium ions.
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) | 1977-12-09 | 1978-06-10 | 1978-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-09 | 1982-06-10 | 1982-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-09 | 1986-06-10 | 1986-12-10 | $7700.00 | Window Closed / Lapsed |