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US2936261A Expired / Lapsed US ⏱️ 0.0 years remaining

Sealing irradiated polyethylene

Assignee: General Electric Co
•
Filing: 1955-05-18
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Granted: 1960-05-10
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Expires: 1975-05-18
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Abstract

No abstract record available.

Inventors

  • 👤 Quintin P Cole

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:19
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.

References Cited (Backward Citations)

US2622056A Cited
US2675339A Cited
US2664378A Cited
US2715363A Cited
US2721821A Cited
US2697058A Cited
US2648097A Cited
US2763609A Cited
US2801446A Cited
US2746193A Cited

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

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