US3023072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certification of correction
Assignee: —
•
Filing: —
•
Granted: 1962-02-27
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Expires: 1979-02-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:41
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/0072; C04B41/0081; D; D06; D06M; D06M11/00; D06M11/83; D06M15/00; D06M15/01; D06M15/03; D06P; D06P1/00; D06P1/44; D06P1/673; D06P1/67333; D06P1/6735; D06P3/00; D06P3/02; D06P3/04; D06P3/24; D06P5/00; D06P5/001; Y; Y10; Y10S; Y10S8/00; Y10S8/04; Y10S8/09; Y10S8/10; Y10S8/21; Y10S8/92; Y10S8/928; Y10S8/933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
THE PROCESS OF CONDITIONING FILM, FABRIC, YARN AND FIBER MATERIALS TO RENDER THEM DYE RECEPTIVE, WHICH PROCESS COMPRISES TREATING SAID MATERIAL WITH AN AQUEOUS SOLUTION OF A WERNER-TYPE REACTIVE CHROMIUM COMPLEX AND A WATER-SOLUBLE DEACETYLATED CHITIN IN THE PROPORTIONS OF FROM 1 TO 6 PARTS BY WEIGHT OF SAID WATER-SOLUBLE DEACETYLATED CHITIN TO 1 TO 6 PARTS BY WEIGHT OF THE CHROMIUM COMPLEX, AND HEATING THE THUS TREATED MATERIAL TO PRODUCE A LAYER OF THE REACTION PRODUCT OF SAID WERNER-TYPE REACTIVE CHROMIUM COMPLEX AND THE DEACETYLATED CHITIN ON SAID MATERIAL.
Claim 2
Dependent Claim
90 words
THE PROCESS OF CONDITIONING FILM, FABRIC, YARN AND FIBER MATERIALS TO RENDER THEM DYE RECEPTIVE, WHICH PROCESS COMPRISES TREATING SAID MATERIAL WITH AN AQUEOUS SOLUTION OF A WERNER-TYPE REACTIVE CHROMIUM COMPLEX AND A WATER-SOLUBLE DEACETYLATED CHITIN IN THE PROPORTIONS OF FROM 1 TO 6 PARTS BY WEIGHT OF SAID WATER-SOLUBLE DEACETYLATED CHITIN TO 1 TO 6 PARTS BY WEIGHT OF THE CHROMIUM COMPLEX, AND HEATING THE THUS TREATED MATERIAL TO PRODUCE A LAYER OF THE REACTION PRODUCT OF SAID WERNER-TYPE REACTIVE CHROMIUM COMPLEX AND THE DEACETYLATED CHITIN ON SAID MATERIAL.
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) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |