← Back to Patent Explorer
US3039840A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for manufacturing readily dyeable stereo regulated polyolefin articles and methods for dyeing the same

Assignee: Hercules Powder Co
•
Filing: 1960-10-12
•
Granted: 1962-06-19
•
Expires: 1980-10-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Albert R Sawaya

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:27
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/44; D06P1/673; D06P1/67333; D06P1/6735; D06P1/67366; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10S8/10; Y10S8/92; Y10S8/928

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 36 words
A PROCESS FOR TREATING STEREO REGULATED POLYOLEFIN ARTICLES WHEREBY THEY ARE RENDERED READILY DYEABLE COMPRISING APPLYING TO STEREO REGULATED POLYOLEFIN ARTICLES A FLUID PHOSPHONATING AGENT SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS HALIDES AND PHOSPHORUS OXYHALIDES.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-06-18 1965-12-18 1966-06-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-06-18 1969-12-18 1970-06-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-06-18 1973-12-18 1974-06-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag