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US3560254A Expired / Lapsed US ⏱️ 0.0 years remaining

Grafting polymers on glass and like siliceous materials

Assignee: Imperial Chemical Industries Ltd
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Filing: 1966-09-08
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Granted: 1971-02-02
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Expires: 1986-09-08
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Abstract

Abstract THERE IS PROVIDED A PROCESS FOR COATING THE SURFACE OF GLASS AND LIKE SILICEOUS MATERIALS WITH A POLYMERIC MATERIAL WHEREIN THE GLASS IS FIRST TREATED WITH COMPOUND WHICH FORMS A CHEMICAL BOND WITH THE SURFACE OF THE GLASS AND IS ALSO CAPABLE OF ACTING AS AN INITIATOR IN A POLYMERIZATION REACTION FOR THE COATING OF POLYMERIC MATERIAL. SUITABLY A POLAR VINYL MONOMER IS POLYMERIZED BY INITIATION OF THE COATING AND THE COATING IS A TWO-COMPONENT INITIATOR SYSTEM CONSISTING OF A TRANSITION METAL CARBONYL OR ISOCYANIDE AND A COMPOUND REPRESENTED BY THE FORMULA X3C-Y-SIZ, WHERE X IS HALOGEN,Y IS A DIRECT LINK OR A DIVALENT ORGANIC RACIDAL AND Z IS HALOGEN OR ALKYL LINKED TO THE SILICON ATOM VIA AN OXYGEN ATOM. SUCH COATED GLASS SURFACES MAY BE THEREAFTR DYED TO PRESENT A COLORED SURFACE.

Inventors

  • 👤 John David Seddon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 10:07
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; C03C17/00; C03C17/28; C03C17/32; C03C17/34; C03C17/3405

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1974-02-01 1974-08-03 1975-02-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-02-01 1978-08-03 1979-02-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-02-01 1982-08-03 1983-02-02 $7700.00 Window Closed / Lapsed

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