Patent US2006336A successfully refreshed from Google Patents.
US3663334A
Expired / Lapsed
US
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Laminating metal to polyolefin with an organic peroxide and a terpolymer of ethylene, t-butyl acrylate and acrylic acid
Assignee: BASF SE
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Filing: 1969-05-19
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Granted: 1972-05-16
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Expires: 1989-05-19
Abstract
Abstract A process for bonding or laminating materials by means of terpolymers of ethylene, an ethylenically unsaturated carboxylic acid and an ester of an ethylenically unsaturated carboxylic acid. It is a characteristic of the process that the terpolymers are used with an addition of an organic peroxide having the general formula R1-O-O-R2 or R1-O-O-X-O-O-R2 in which R1 and R2 denote hydrogen atoms or alkyl, aryl, aralkyl, alkaryl or acyl radicals and X denotes an aliphatic, aromatic, aromatic-aliphatic or aliphatic-aromatic radical.
Inventors
- 👤 Heinz Mueller-Tamm
- 👤 Alfred Hofmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:42
CPC Classifications
B; B32; B32B; B32B27/00; C; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/08; C08; C08L; C08L2666/00; C08L2666/28; C08L2666/34; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A process as claimed in claim 1 wherein the terpolymer used is one prepared from 71 to 90 parts by weight of ethylene, 3 to 9 parts by weight of acrylic acid and 1 to 20 parts by weight of tertiary-butyl acrylate, the sum of the parts by weight being 100.
Claim 2
Dependent Claim
14 words
A process as claimed in claim 2, said sheet of metal being aluminum foil.
References Cited (Backward Citations)
US3249570A
Cited
US3481812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |