US3600468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive blend comprising an ethylene/unsaturated acid copolymer and an ethylene/unsaturated ester copolymer
Assignee: Dow Chemical Co
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Filing: 1968-10-31
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Granted: 1971-08-17
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Expires: 1988-10-31
Abstract
Abstract AN ADHESIVE BLEND OF POLYMERS HAVING AN ADHESIVENESS IN TERMS OF PEEL STRENGTH GREATER THAN THE SUM OF THE PEEL STRENGTHS OF EACH POLYMER IN THE BLEND COMPRISING A COPOLYMER OF ETHHLENE AND AN A,B-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID SUCH AS ACRYLIC ACID AND A COPOLYMER OF ETHYLENE AND AN ALKYL ESTER OF AN A,B-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID SUCH AS ETHYL ACRYLATE, THE ADHESIVE BLEND IS PREPARED BY MASTICATING THE COPOLYMERS IN A BANBURY MIXING APPARATUS OR THE LIKE.
Inventors
- 👤 Reinhard D Bohme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:00
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/04; C09J123/08; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |