Patent US2875099A successfully refreshed from Google Patents.
US2875099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finish for polyester textile materials
Assignee: Dow Chemical Co
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Filing: 1957-10-16
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Granted: 1959-02-24
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Expires: 1977-10-16
Abstract
No abstract record available.
Inventors
- 👤 Keith B Bozer
- 👤 Robert S Montgomery
- 👤 Wesley L Archer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:04
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/73; D06M11/74; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
METHOD FOR FINISHING POLYESTER YARN TO FACILITATE ITS CONSTRUCTION INTO CLOTH AND FABRIC WHICH COMPRISES DEPOSITING ON THE SURFACE OF THE YARN UP TO ABOUT 20 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE YARN, OF A PLASTIFIED FILM OF COAL ACIDS COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF FREE COAL ACIDS, WATERSOLUBLE SALTS OF FREE COAL ACIDS, AND MIXTURE THEREOF; SAID COAL ACIDS BEING THE WATER-SOLUBLE MIXED AROMATIC POLYCARBOXYLIC ACIDS THAT ARE THE PRODUCTS OF THE OXIDATION OF COAL AND THE LIKE CARBONACEOUS MATERIALS, WHICH ACIDS TYPICALLY HAVE AN AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 200 TO 300, AN AVERAGE APPARENT EQUIVALENT WEIGHT OF FROM ABOUT 70 TO 90, AND CONTAIN AN AVERAGE OF FROM ABOUT 2.5 TO 5 CARBOXYLIC GROUPS PER AROMATIC NUCLEUS IN THEIR MOLECULE, SAID FILM BEING PLASTIFIED WITH A SOLVENT FOR SAID COAL ACIDS COMPOUNDS THAT IS SAID POLYESTER POLYMER YARN.
Claim 2
Dependent Claim
147 words
METHOD FOR FINISHING POLYESTER YARN TO FACILITATE ITS CONSTRUCTION INTO CLOTH AND FABRIC WHICH COMPRISES DEPOSITING ON THE SURFACE OF THE YARN UP TO ABOUT 20 PERCENT BY WEIGHT, BASED ON THE WEIGHT OF THE YARN, OF A PLASTIFIED FILM OF COAL ACIDS COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF FREE COAL ACIDS, WATERSOLUBLE SALTS OF FREE COAL ACIDS, AND MIXTURE THEREOF; SAID COAL ACIDS BEING THE WATER-SOLUBLE MIXED AROMATIC POLYCARBOXYLIC ACIDS THAT ARE THE PRODUCTS OF THE OXIDATION OF COAL AND THE LIKE CARBONACEOUS MATERIALS, WHICH ACIDS TYPICALLY HAVE AN AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 200 TO 300, AN AVERAGE APPARENT EQUIVALENT WEIGHT OF FROM ABOUT 70 TO 90, AND CONTAIN AN AVERAGE OF FROM ABOUT 2.5 TO 5 CARBOXYLIC GROUPS PER AROMATIC NUCLEUS IN THEIR MOLECULE, SAID FILM BEING PLASTIFIED WITH A SOLVENT FOR SAID COAL ACIDS COMPOUNDS THAT IS SAID POLYESTER POLYMER YARN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |