Patent US3557041A successfully refreshed from Google Patents.
US3557041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinylidene chloride interpolymers
Assignee: Goodrich Corp
•
Filing: 1969-07-16
•
Granted: 1971-01-19
•
Expires: 1989-07-16
Abstract
Abstract THE INSTANT INVENTION RELATES TO THE POLYMERIZED POLYMERIC LATEX PRODUCT OF THE MONOMERS VINYLIDENE CHLORIDE; VINYL CHLORIDE; A MONOMER SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, METHACRYLONITRILE AND MIXTURES THEREOF; AND A MONOMER SELECTED FROM THE GROUP CONSISTING OF NORMAL C1-C8 ALKYL ACRYLATES AND MIXTURES THEREOF; THE COMBINED PROPORTION OF THE VINYLIDENE CHLORIDE AND VINYL CHLORIDE BEING IN THE RANGE OF ABOUT 85-97 PARTS BY WEIGHT FOR 100 PARTS TOTAL MONOMERS. MORE PARTICULARLY, THE INVENTION RELATES TO FILMS MADE FROM SAID INTERPOLYMERS AND CHARACTERIZED AS HAVING LOW MOISTURE VAPOR AND OXYGEN TRANSMISSION RATES THROUGH THE FILM AND HIGH FLEXIBLITY.
Inventors
- 👤 Samuel Loshaek
- 👤 Edward Charles Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:35
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/048; C08J7/052; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/08; C08J2427/00; Y; Y10; Y10S; Y10S526/00; Y10S526/915; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |