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US3262899A Expired / Lapsed US ⏱️ 0.0 years remaining

Sizing polyolefin yarns with aqueous atactic polypropylene emulsion

Assignee: Ingredion Inc
•
Filing: 1963-03-25
•
Granted: 1966-07-26
•
Expires: 1983-03-25
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Abstract

No abstract record available.

Inventors

  • 👤 Walter B Armour
  • 👤 Herbert C Olsen
  • 👤 Michael P Diamantopoulos

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 14:06
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/227; Y; Y10; Y10S; Y10S8/00; Y10S8/09; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 35 words
A METHOD FOR SIZING POLYOLEFIN YARNS WHICH COMPRISES APPLYING CHLORINATED ATACTIC POLYPROPYLENE TO SAID YARNS BY PASSING SAID YARNS THROUGH AN AQUEOUS EMULSION OF SAID CHLORINATED ATACTIC POLYPROPYLENE AND THEREUPON DRYING THE THUS TREATED YARNS.
Claim 2
Independent Claim 35 words
A METHOD FOR SIZING POLYOLEFIN YARNS WHICH COMPRISES APPLYING CHLORINATED ATACTIC POLYPROPYLENE TO SAID YARNS BY PASSING SAID YARNS THROUGH AN AQUEOUS EMULSION OF SAID CHLORINATED ATACTIC POLYPROPYLENE AND THEREUPON DRYING THE THUS TREATED YARNS.

References Cited (Backward Citations)

US3125462A Cited
US2964509A Cited
US3141304A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-07-25 1970-01-24 1970-07-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-07-25 1974-01-24 1974-07-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-07-25 1978-01-24 1978-07-26 $7700.00 Window Closed / Lapsed

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