← Back to Patent Explorer
US2941973A Expired / Lapsed US ⏱️ 0.0 years remaining

Modified hydrolyzed ethylene vinyl ester interpolymers

Assignee: EIDP Inc
•
Filing: 1955-04-29
•
Granted: 1960-06-21
•
Expires: 1975-04-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Kumnick Miles Charles
  • 👤 Watson Frederick Kingsbury

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 03:46
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/1055; B32B17/10761; B32B17/10788; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31645

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 83 words
A PLASTIC COMPOSITION COMPRISING AN 80-100% HYDROLYZED INTERPOLYMER OF ETHYLENE WITH A VINYL ESTER OF AN ORGANIC CARBOXYLIC ACID IN WHICH THE MOLAR RATIO OF THE ETHYLENE TO THE VINYL ESTER IS FROM 1.5/1 TO 5/1 CONTAINING FROM 20 TO 40% BY WEIGHT OF THE TOTAL COMPOSITION OF AN ACIDIC HYDROGEN CONTAINING COMPOUND OF THE CLASS CONSISTING OF ALKYL ACID ORTHO-PHOSPHATES, ALKYL ACID ORTHOPHOSPHITES AND BENZENE PHOSPHINIC ACID, WHEREIN THE HYDROCARBON RADICALS CONTAIN AT LEAST 3 AND NOT MORE THAN 12 CARBON ATOMS.
Claim 2
Dependent Claim 83 words
A PLASTIC COMPOSITION COMPRISING AN 80-100% HYDROLYZED INTERPOLYMER OF ETHYLENE WITH A VINYL ESTER OF AN ORGANIC CARBOXYLIC ACID IN WHICH THE MOLAR RATIO OF THE ETHYLENE TO THE VINYL ESTER IS FROM 1.5/1 TO 5/1 CONTAINING FROM 20 TO 40% BY WEIGHT OF THE TOTAL COMPOSITION OF AN ACIDIC HYDROGEN CONTAINING COMPOUND OF THE CLASS CONSISTING OF ALKYL ACID ORTHO-PHOSPHATES, ALKYL ACID ORTHOPHOSPHITES AND BENZENE PHOSPHINIC ACID, WHEREIN THE HYDROCARBON RADICALS CONTAIN AT LEAST 3 AND NOT MORE THAN 12 CARBON ATOMS.

References Cited (Backward Citations)

US2516980A Cited
US2386347A Cited
US2557805A Cited
US2657201A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-06-21 1963-12-21 1964-06-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-06-21 1967-12-21 1968-06-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-06-21 1971-12-21 1972-06-21 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag