Patent US3751287A successfully refreshed from Google Patents.
US3751287A
Expired / Lapsed
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Method for incorporating an adhesion promoter into a polymeric substrate
Assignee: Union Carbide Corp
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Filing: 1971-06-11
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Granted: 1973-08-07
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Expires: 1991-06-11
Abstract
Abstract A treating solution and method for incorporating an adhesion promoter containing at least one allylic hydrogen into a polymeric substrate, which bath is in an aqueous reactive mixture of a hydroxyl or halogen substituted low molecular weight organic compound and a dehydrating or dehydrohalogenating agent such that the reaction thereof forms the desired adhesion promoter. This solution and method are useful in plastic metal plating.
Inventors
- 👤 F Baier
- 👤 E Joffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:51
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/06; C08J7/065; C08J7/043
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
14 words
The method of claim 1 wherein the contacting is by immersion in a bath.
Claim 2
Dependent Claim
16 words
The method of claim 2 wherein the immersion period is from about 1 to 20 minutes.
Claim 3
Dependent Claim
20 words
The method of claim 2 wherein the bath temperature is at a temperature of from about 60* to 100* C.
Claim 4
Dependent Claim
11 words
The method of claim 2 wherein the treated bath is agitated.
Claim 5
Dependent Claim
12 words
The method of claim 2 wherein the polymeric substrate is a polyolefin.
Claim 6
Dependent Claim
10 words
The method of claim 6 wherein the polyolefin is polypropylene.
Claim 7
Dependent Claim
17 words
The method of claim 1 which further comprises rinsing the impregnated polymeric substrate in an aqueous medium.
References Cited (Backward Citations)
US2112245A
Cited
US2173882A
Cited
US2231891A
Cited
US2755205A
Cited
US2924584A
Cited
US3035944A
Cited
US3556955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |