US3179554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesive for and process of bonding alpha-olefin hydrocarbon polymers
Assignee: EIDP Inc
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Filing: 1962-08-27
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Granted: 1965-04-20
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Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Gladding Edward Karcher
- 👤 Robinson Donald Nellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:59
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/124; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C09; C09J; C09J123/00; C09J123/26; C09J123/32; C09J123/34; C09J175/00; C08J2323/00; C08J2323/02; C08J2323/16; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/31504; Y10T428/31551; Y10T428/31569; Y10T428/31573; Y10T428/31587; Y10T428/31605; Y10T428/31678; Y10T428/31707; Y10T428/3171; Y10T428/31826; Y10T428/31833; Y10T428/31837; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A PROCESS FOR ADHERING CURABLE, NORMALLY SOLID, CHAIN-SATURATED CURABLE A-OLEFIN HYDRDOCARBON COPOLYMERS CONTAINING A SUITABLE CURING AGENT AND BEING SELECTED FROM THE GROUP CONSISTING OF COPOLYMERS OF AT LEAST TWO A-MONOOLEFINS AND COPOLYMERS OF AT LEAST ONE A-MONOLEFIN AND AT LEAST ONE NON-CONJUGATED HYDROCARBON DIENE TO METAL SURFACES OF THE TYPE DESCRIBED BY: (A) APPLYING THEREBETWEEN THE FOLLOWING SEQUENCE OF LAYERS: (I) AN ADHESIVE LAYER CONSISTING ESSENTIALLY OF CHLOROSULFONATED OLEFIN POLYMER CONTAINING 5-50% CHLORINE AND 0.25-3% SULFUR IN CONTACT WITH SAID A-OLEFIN COPOLYMER; (II) A LAYER CONSISTING ESSENTIALLY OF CURABLE RUBBER SELECTED FROM THE GROUP CONSISTING OF NEOPRENE, STYRENEBUTADIENE RUBBER AND NATURAL RUBBER WITH A SUITABLE CURING AGENT; AND (III) A LAYER CONSISTING ESSENTIALLY OF RUBBER-METAL ADHESIVE SELECTED FROM THE GROUP CONSISTING OF MONOMERIC ORGANIC POLYISOCYANATES AND PERCHLORINATED NATURAL RUBBER; SAID LAYERS (I), (II), AND (III) EACH BEING 1-5 MILS THICK WHEN DRIED; AND (B) SUBJECTING THE ABOVE COMPONENTS TO CURING CONDITIONS.
Claim 2
Dependent Claim
152 words
A PROCESS FOR ADHERING CURABLE, NORMALLY SOLID, CHAIN-SATURATED CURABLE A-OLEFIN HYDRDOCARBON COPOLYMERS CONTAINING A SUITABLE CURING AGENT AND BEING SELECTED FROM THE GROUP CONSISTING OF COPOLYMERS OF AT LEAST TWO A-MONOOLEFINS AND COPOLYMERS OF AT LEAST ONE A-MONOLEFIN AND AT LEAST ONE NON-CONJUGATED HYDROCARBON DIENE TO METAL SURFACES OF THE TYPE DESCRIBED BY: (A) APPLYING THEREBETWEEN THE FOLLOWING SEQUENCE OF LAYERS: (I) AN ADHESIVE LAYER CONSISTING ESSENTIALLY OF CHLOROSULFONATED OLEFIN POLYMER CONTAINING 5-50% CHLORINE AND 0.25-3% SULFUR IN CONTACT WITH SAID A-OLEFIN COPOLYMER; (II) A LAYER CONSISTING ESSENTIALLY OF CURABLE RUBBER SELECTED FROM THE GROUP CONSISTING OF NEOPRENE, STYRENEBUTADIENE RUBBER AND NATURAL RUBBER WITH A SUITABLE CURING AGENT; AND (III) A LAYER CONSISTING ESSENTIALLY OF RUBBER-METAL ADHESIVE SELECTED FROM THE GROUP CONSISTING OF MONOMERIC ORGANIC POLYISOCYANATES AND PERCHLORINATED NATURAL RUBBER; SAID LAYERS (I), (II), AND (III) EACH BEING 1-5 MILS THICK WHEN DRIED; AND (B) SUBJECTING THE ABOVE COMPONENTS TO CURING CONDITIONS.
References Cited (Backward Citations)
CA604243A
Cited
GB493139A
Cited
GB642345A
Cited
US2711986A
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US2925354A
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US2936261A
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US3051666A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |