US2616867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for and method of sizing yarns
Assignee: Monsanto Chemicals Ltd
•
Filing: 1950-08-30
•
Granted: 1952-11-04
•
Expires: 1970-08-30
Abstract
No abstract record available.
Inventors
- 👤 Elmer H Rossin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:39
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A METHOD OF SIZING WATER-INSOLUBLE SYNTHETIC LINEAR POLYMER YARNS WHICH COMPRISES APPLYING TO SAID YARNS A WATER SOLUTION OF A CHOLINE SALT OF A COPOLYMER CONSISTING OF THE COPOLYMERIZATION PRODUCT OF A POLYMERIZABLE VINYL AROMATIC COMPOUND HAVING A SINGLE <C=CH2 GROUP AND AN ETHYLENE A, B DICARBOXYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ETHYLENE A, B DICARBOXYLIC ANHYDRIDES, ETHYLENE A, B DICARBOXYLIC ACIDS AND PARTIAL ALKYL ESTERS OF SAID ACIDS HAVING NOT MORE THAN 3 CARBON ATOMS IN THE ALKYL GROUP, AND MIXTURES OF SAID DICARBOXYLIC COMPOUNDS, AND DRYING SAID YARN PREPARATORY TO WEAVING THE SAME.
Claim 2
Independent Claim
97 words
A METHOD OF SIZING WATER-INSOLUBLE SYNTHETIC LINEAR POLYMER YARNS WHICH COMPRISES APPLYING TO SAID YARNS A WATER SOLUTION OF A CHOLINE SALT OF A COPOLYMER CONSISTING OF THE COPOLYMERIZATION PRODUCT OF A POLYMERIZABLE VINYL AROMATIC COMPOUND HAVING A SINGLE <C=CH2 GROUP AND AN ETHYLENE A, B DICARBOXYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ETHYLENE A, B DICARBOXYLIC ANHYDRIDES, ETHYLENE A, B DICARBOXYLIC ACIDS AND PARTIAL ALKYL ESTERS OF SAID ACIDS HAVING NOT MORE THAN 3 CARBON ATOMS IN THE ALKYL GROUP, AND MIXTURES OF SAID DICARBOXYLIC COMPOUNDS, AND DRYING SAID YARN PREPARATORY TO WEAVING THE SAME.
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) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |