Patent US3205120A successfully refreshed from Google Patents.
US3205120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated structures
Assignee: Union Carbide Corp
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Filing: 1962-01-23
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Granted: 1965-09-07
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Expires: 1982-01-23
Abstract
No abstract record available.
Inventors
- 👤 James C Flanders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:32
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3878; C08G18/388; B; B32; B32B; B32B27/00; C08G18/3882; C08G18/40; C08G18/48; C08G18/4804; C08G18/50; C08G18/5075; C08G18/5078; C08G18/5081; C08G2110/00; C08G2110/0008; C08G2110/0083; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2738; Y10T442/2746; Y10T442/2762
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A LAMINATED STRUCTURE WHICH COMPRISES AT LEAST ONE LAYER OF A FLEXIBLE POLYURETHANE FOAM HEAT SEALED TO A FABRIC SUBSTRATE, WHEREIN SAID FLEXIBLE POLYURETHANE FOAM CONSISTS ESSENTIALLY OF THE FOAMED REACTION PRODUCT OF (1) AN ORGANIC POLYISOCYANATE, AND (2) A MIXTURE OF A MAJOR AMOUNT, BASED ON WEIGHT OF SAID MIXTURE, OF A POLYOXYALKYLENE POLYOL HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 2000 TO ABOUT 10,000, AN A MINOR AMOUNT, BASED ON WEIGHT OF SAID MIXTURE, OF POLYOL SELECTED FROM THE GROUP CONSISTING OF (A) A POLYOXYALKYLENE POLYOL HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 200 TO ABOUT 1500, (B) A HYDROXYALIPHATIC ESTER OF A PHOSPHORUS-CONTAINING ACID, SAID ESTER HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 200 TO ABOUT 1500, WHEREIN SAID ESTER IS REPRESENTED BY THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
132 words
A LAMINATED STRUCTURE WHICH COMPRISES AT LEAST ONE LAYER OF A FLEXIBLE POLYURETHANE FOAM HEAT SEALED TO A FABRIC SUBSTRATE, WHEREIN SAID FLEXIBLE POLYURETHANE FOAM CONSISTS ESSENTIALLY OF THE FOAMED REACTION PRODUCT OF (1) AN ORGANIC POLYISOCYANATE, AND (2) A MIXTURE OF A MAJOR AMOUNT, BASED ON WEIGHT OF SAID MIXTURE, OF A POLYOXYALKYLENE POLYOL HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 2000 TO ABOUT 10,000, AN A MINOR AMOUNT, BASED ON WEIGHT OF SAID MIXTURE, OF POLYOL SELECTED FROM THE GROUP CONSISTING OF (A) A POLYOXYALKYLENE POLYOL HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 200 TO ABOUT 1500, (B) A HYDROXYALIPHATIC ESTER OF A PHOSPHORUS-CONTAINING ACID, SAID ESTER HAVING AN AVERAGE MOLECULAR WEIGHT OF FROM ABOUT 200 TO ABOUT 1500, WHEREIN SAID ESTER IS REPRESENTED BY THE STRUCTURAL FORMULA:
References Cited (Backward Citations)
US2642920A
Cited
US2929800A
Cited
US2788335A
Cited
GB787592A
Cited
US2874389A
Cited
US2957793A
Cited
US2957832A
Cited
US2990379A
Cited
US2955091A
Cited
US3057766A
Cited
US2977330A
Cited
GB863224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |