US2870129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water vapor permeable resins
Assignee: United Shoe Machinery Corp
•
Filing: 1953-11-30
•
Granted: 1959-01-20
•
Expires: 1973-11-30
Abstract
No abstract record available.
Inventors
- 👤 Frederic C Merriam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:03
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/26; C08F220/28; C08F220/281; Y; Y10; Y10S; Y10S526/00; Y10S526/936
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A FILM FORMING WATER-INSOLUBLE, WATER VAPOR PERMEABLE, RESINOUS COPOLYMER OF AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID. AND ACRYLAMIDE AND AN ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID METHACRYLIC ACID WITH A SATURATED ALKOXY MONOHYDROXYALCOHOL IN WHICH THE ALKOXY GROUP HAS FROM 1 TO 8 CARBON ATOMS AND THE REMAINING ALCOHOL PORTION HAS FROM 2 TO 4 CARBON ATOMS, THE ESTER COMPONENT CONSTITUTING FROM 30 TO 70 MOL PERCENT OF THE COPOLYMER, SAID COPOLYMER NOT CONTAINING MORE THAN 60 MOL PERCENT OF METHACRYLIC COMPONETS
Claim 2
Dependent Claim
95 words
A FILM FORMING WATER-INSOLUBLE, WATER VAPOR PERMEABLE, RESINOUS COPOLYMER OF AT LEAST ONE MEMBER OF THE GROUP CONSISTING OF ACRYLIC ACID, METHACRYLIC ACID. AND ACRYLAMIDE AND AN ESTER OF AN ACID SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID METHACRYLIC ACID WITH A SATURATED ALKOXY MONOHYDROXYALCOHOL IN WHICH THE ALKOXY GROUP HAS FROM 1 TO 8 CARBON ATOMS AND THE REMAINING ALCOHOL PORTION HAS FROM 2 TO 4 CARBON ATOMS, THE ESTER COMPONENT CONSTITUTING FROM 30 TO 70 MOL PERCENT OF THE COPOLYMER, SAID COPOLYMER NOT CONTAINING MORE THAN 60 MOL PERCENT OF METHACRYLIC COMPONETS
References Cited (Backward Citations)
US1120085A
Cited
US2123599A
Cited
US2129722A
Cited
US2164360A
Cited
US2404292A
Cited
US2464826A
Cited
GB585184A
Cited
US2440092A
Cited
GB678217A
Cited
US2607711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |