← Back to Patent Explorer
US2898231A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of removing residual peroxide catalyst from resin coatings

Assignee: Polaroid Corp
•
Filing: 1957-11-18
•
Granted: 1959-08-04
•
Expires: 1977-11-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Howard C Haas

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 11:12
CPC Classifications
B; B05; B05D; B05D3/00; B05D3/04; C; C08; C08J; C08J7/00; C08J7/04; C08J7/042; C08J7/046; C08J2329/00; C08J2329/02; C08J2329/04; C08J2401/00; C08J2401/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 30 words
A PROCESS FOR DECOMPOSING RESIDUAL PEROXIDE CATELYSTS IN PLASTIC COATINGS, FILM AND LAMINATES, SAID PROCESS COMPRISING EXPOSING THE POLYMER OF HYDROGEN IODIDE VAPOR OF AN AQUEOUS SOLUTION OF HYDROGEN OIDIDE.
Claim 2
Dependent Claim 30 words
A PROCESS FOR DECOMPOSING RESIDUAL PEROXIDE CATELYSTS IN PLASTIC COATINGS, FILM AND LAMINATES, SAID PROCESS COMPRISING EXPOSING THE POLYMER OF HYDROGEN IODIDE VAPOR OF AN AQUEOUS SOLUTION OF HYDROGEN OIDIDE.

References Cited (Backward Citations)

US2104760A Cited
US2143941A Cited
US2450503A Cited
US2628178A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-08-03 1963-02-02 1963-08-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-08-03 1967-02-02 1967-08-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-08-03 1971-02-02 1971-08-04 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag