US3424638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical process
Assignee: WR Grace and Co
•
Filing: 1964-11-02
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Granted: 1969-01-28
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Expires: 1984-11-02
Abstract
No abstract record available.
Inventors
- 👤 Nelson S Marans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:31
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/124; B; B32; B32B; B32B27/00; C08F; C08F20/00; C08F20/02; C08F20/04; C08F20/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A METHOD FOR BONDING WHICH COMPRISES APPLYING A LAYER OF ACRYLIC ACID BETWEEN LAYERS OF MATERIAL TO BE BONDED, AND POLYMERIZING SAID ACRYLIC ACID BY IRRADIATION WITH HIGH ENERGY IONIZING IRRADIATION WHEREUPON SAID LAYERS BECOME SPONTANEOUSLY AND SECURELY BONDED.
Claim 2
Independent Claim
39 words
A METHOD FOR BONDING WHICH COMPRISES APPLYING A LAYER OF ACRYLIC ACID BETWEEN LAYERS OF MATERIAL TO BE BONDED, AND POLYMERIZING SAID ACRYLIC ACID BY IRRADIATION WITH HIGH ENERGY IONIZING IRRADIATION WHEREUPON SAID LAYERS BECOME SPONTANEOUSLY AND SECURELY BONDED.
References Cited (Backward Citations)
US3157560A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |