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US2833613A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for dyeing polyester fiber

Assignee: EIDP Inc
•
Filing: 1955-10-26
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Granted: 1958-05-06
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Expires: 1975-10-26
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Abstract

No abstract record available.

Inventors

  • 👤 Donald P Hallada
  • 👤 Harold P Landerl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 14:33
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/24; D06P3/26; D06P1/00; D06P1/44; D06P1/46; D06P1/48; D06P1/50; D06P1/62; D06P1/621; D06P1/627; D06P1/64; D06P1/642; D06P1/649; D06P1/6495; D06P1/651; D06P1/65106; D06P1/65125; D06P3/34; D06P3/36; D06P3/82; D06P3/8204; Y; Y10; Y10S; Y10S8/00; Y10S8/90; Y10S8/907; Y10S8/908; Y10S8/916; Y10S8/918; Y10S8/92; Y10S8/922

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 55 words
A CARRIER FOR APPLYING DISPERSE DYES TO HYDROPHOBIC FIBER, COMPRISING A MIXTURE OF DIMETHYL TEREPHTHALATE AND BENZANILIDE, EACH COMPONENT BEING PRESENT IN THE MIXTURE IN PROPORTION NOT LESS THAN 25% OF THE JOINT WEIGHT OF THE TWO, AND SAID MIXTURE BEING IN POWDER FORM HAVING AN AVERAGE PARTICLE SIZE NOT COARSER THAN 100 MESH SIEVE.
Claim 2
Dependent Claim 55 words
A CARRIER FOR APPLYING DISPERSE DYES TO HYDROPHOBIC FIBER, COMPRISING A MIXTURE OF DIMETHYL TEREPHTHALATE AND BENZANILIDE, EACH COMPONENT BEING PRESENT IN THE MIXTURE IN PROPORTION NOT LESS THAN 25% OF THE JOINT WEIGHT OF THE TWO, AND SAID MIXTURE BEING IN POWDER FORM HAVING AN AVERAGE PARTICLE SIZE NOT COARSER THAN 100 MESH SIEVE.

References Cited (Backward Citations)

US2413559A Cited
GB609943A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-05-05 1961-11-04 1962-05-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-05-05 1965-11-04 1966-05-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-05-05 1969-11-04 1970-05-06 $7700.00 Window Closed / Lapsed

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