Patent US2879252A successfully refreshed from Google Patents.
US2879252A
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Adhesive compositions of polyepoxide resins and butadiene-acrylonitrile rubbers and method of making bristle brushes using same
Assignee: Rubber and Asbestos Corp
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Filing: 1952-12-27
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Granted: 1959-03-24
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Expires: 1972-12-27
Abstract
No abstract record available.
Inventors
- 👤 Jerome L Been
- 👤 Martin M Grover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:16
CPC Classifications
C; C08; C08L; C08L9/00; C08L9/02; C09; C09J; C09J163/00; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/08; C08L33/00; C08L33/18; C08L33/20; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A COMPOSITION OF MATTER COMPRISING A MIXTURE OF GLYCIDYL POLYETHER OF A POLYHYDRIC PHENOL HAVING A 1,2EPOXY EQUIVALENCY GREATER THAN 1.0, AND AN ELASTOMERIC COPOLYMER OF BUTADINE AND ACRYLONITRILE CONTAINING A MAJOR PROPORATION OF BUTADIENE IN THE POLYMER MOLCULES.
Claim 2
Dependent Claim
39 words
A COMPOSITION OF MATTER COMPRISING A MIXTURE OF GLYCIDYL POLYETHER OF A POLYHYDRIC PHENOL HAVING A 1,2EPOXY EQUIVALENCY GREATER THAN 1.0, AND AN ELASTOMERIC COPOLYMER OF BUTADINE AND ACRYLONITRILE CONTAINING A MAJOR PROPORATION OF BUTADIENE IN THE POLYMER MOLCULES.
References Cited (Backward Citations)
US2190181A
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US2258361A
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US2376854A
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US2422637A
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US2506486A
Cited
US2637621A
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US2713567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |