US2565962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous sizing compositions
Assignee: Sun Chemical Corp
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Filing: 1948-06-12
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Granted: 1951-08-28
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Expires: 1968-06-12
Abstract
No abstract record available.
Inventors
- 👤 Herman B Goldstein
- 👤 Armand S Waldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:31
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/327; D06M15/333; D06M15/01; D06M15/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AS A SIZE FOR YARN DERIVED FROM SYNTHETIC FIBER-FORMING POLYMERIC AMIDES OF TH TYPE OBTAINED BY REACTION OF A DIBASIC CARBOXYLIC ACID AND AN ALIPHATIC DIAMINE, AN AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF FROM 78 TO 92% BY WEIGHT OF WATER AND FROM 22 TO 8% BY WEIGHT OF A COMPOSTION CONSISTING ESSENTIALLY OF SOLUBILIZED CASEIN, OBTAINED BY MIXING ACID PRECIPITATED CASEIN AND AN ALKALINE MATERIAL IN AN AMOUNT OF WATER SUFFICIENT ONLY TO PLASTICIZE THE ADMIXTURE AND SUBJECTING SAID ADMIXTURE TO FURTHER MIXING UNDER HIGH PRESSURE CONDITIONS TO OBTAIN THE SAME IN A DRY COMMINUTED FORM, AND OF APPROXIMATELY 5 TO 25% BY WEIGHT BASED ON THE WEIGHT OF THE SAID CASEIN OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ALCOHOL, AND WATER-SOLUBLE ESTERS OF POLYVINYL ALCOHOL, AND WATER-SOLUBLE ETHERS OF POLYVINYL ALCOHOL.
Claim 2
Dependent Claim
135 words
AS A SIZE FOR YARN DERIVED FROM SYNTHETIC FIBER-FORMING POLYMERIC AMIDES OF TH TYPE OBTAINED BY REACTION OF A DIBASIC CARBOXYLIC ACID AND AN ALIPHATIC DIAMINE, AN AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF FROM 78 TO 92% BY WEIGHT OF WATER AND FROM 22 TO 8% BY WEIGHT OF A COMPOSTION CONSISTING ESSENTIALLY OF SOLUBILIZED CASEIN, OBTAINED BY MIXING ACID PRECIPITATED CASEIN AND AN ALKALINE MATERIAL IN AN AMOUNT OF WATER SUFFICIENT ONLY TO PLASTICIZE THE ADMIXTURE AND SUBJECTING SAID ADMIXTURE TO FURTHER MIXING UNDER HIGH PRESSURE CONDITIONS TO OBTAIN THE SAME IN A DRY COMMINUTED FORM, AND OF APPROXIMATELY 5 TO 25% BY WEIGHT BASED ON THE WEIGHT OF THE SAID CASEIN OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ALCOHOL, AND WATER-SOLUBLE ESTERS OF POLYVINYL ALCOHOL, AND WATER-SOLUBLE ETHERS OF POLYVINYL ALCOHOL.
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) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |