US2936261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing irradiated polyethylene
Assignee: General Electric Co
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Filing: 1955-05-18
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Granted: 1960-05-10
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Expires: 1975-05-18
Abstract
No abstract record available.
Inventors
- 👤 Quintin P Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:41
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/70; B29C66/71; B29C65/00; B29C65/02; B29C65/48; B29C65/4805; B29C65/483; B29C65/485; B29C65/50; B29C65/5057; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/90; B29C66/91; B29C66/912; B29C66/9121; B29C66/91221; B29C66/914; B29C66/9141; B29C66/91411; C; C08; C08J; C08J5/00; C08J5/12; C08J5/124; B29C65/4835; B29C65/5007; B29C65/5028; B29K; B29K2009/00; B29K2023/00; B29K2023/04; B29K2023/06; B29K2023/10; B29K2023/12; B29K2023/18; B29K2023/22; B29K2031/00; B29K2031/04; B29K2105/00; B29K2105/24; B29K2105/243; B29L; B29L2031/00; B29L2031/712; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/06; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2826; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
THE PROCESS FOR SEALING A SURFACE OF IRRADIATED POLYETHYLENE TO ANOTHER SURFACE OF HIGH ENERGY ELECTRON IRRADIATED POLYETHYLENE WHICH COMPRISES (1) INTERPOSING BETWEEN THE SURFACES OF THE IRRADIATED POLYETHYLENE IT IS DESIRED TO ADHERE, A FREE-RADICAL-PRODUCING CURING AGENT FOR THERMOPLASTIC POLYMERS SELECTED FROM THE CLASS CONSISTING OF INORGANIC PERIOXIDES, ORGANIC PERIOXIDES, ORGANIC HYDROPEROXIDES, ORGANIC PERESTERS, ALIPHATIC AZO COMPOUNDS, PERBORATES, PERSULFATES, PERCHLORATES, TETRAETHYL LEAD AND TIN TETRAPHENYL, AND (2) THERAFTER APPLYING HEAT AND PRESSURE TO THE AREA TO EFFECT SEALING OF ONE SURFACE OF THE IRRADIATED POLYETHYLENE TO THE OTHER CONTACTING SURFACE OF THE IRRADIATED POLYETHYLENE.
Claim 2
Dependent Claim
95 words
THE PROCESS FOR SEALING A SURFACE OF IRRADIATED POLYETHYLENE TO ANOTHER SURFACE OF HIGH ENERGY ELECTRON IRRADIATED POLYETHYLENE WHICH COMPRISES (1) INTERPOSING BETWEEN THE SURFACES OF THE IRRADIATED POLYETHYLENE IT IS DESIRED TO ADHERE, A FREE-RADICAL-PRODUCING CURING AGENT FOR THERMOPLASTIC POLYMERS SELECTED FROM THE CLASS CONSISTING OF INORGANIC PERIOXIDES, ORGANIC PERIOXIDES, ORGANIC HYDROPEROXIDES, ORGANIC PERESTERS, ALIPHATIC AZO COMPOUNDS, PERBORATES, PERSULFATES, PERCHLORATES, TETRAETHYL LEAD AND TIN TETRAPHENYL, AND (2) THERAFTER APPLYING HEAT AND PRESSURE TO THE AREA TO EFFECT SEALING OF ONE SURFACE OF THE IRRADIATED POLYETHYLENE TO THE OTHER CONTACTING SURFACE OF THE IRRADIATED POLYETHYLENE.
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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) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |