Patent US3210239A successfully refreshed from Google Patents.
US3210239A
Expired / Lapsed
US
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Process of forming paper containing foamed aminoplast resins
Assignee: Kimberly Clark Tissue Co
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Filing: 1962-06-21
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Granted: 1965-10-05
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Expires: 1982-06-21
Abstract
No abstract record available.
Inventors
- 👤 James J Eberl
- 👤 Coppick Sydney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:27
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/47; D21H17/49; D21H17/50; Y; Y10; Y10S; Y10S264/00; Y10S264/08; Y10S264/47; Y10S521/00; Y10S521/918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A PROCESS OF MAKING A PAPER OF HIGH BULK WHICH COMPRISES PARTIALLY DISINTEGRATING A DRY, CURED UREA-FORMALDEHYDE RESIN FOAM, COMBINING SAID PARTIALLY DISINTEGRATED FOAM WITH AN AQUEOUS SLURRY OF UNIAXIAL FIBROUS MATERIAL, BEATING SAID COMBINATION TO EFFECT A FURTHER DISINTEGRATION OF SAID FOAM, AND FIBRILLATION OF THE FIBROUS MATERIAL AND A BLENDING OF SAID FOAM AND UNIAXIAL MATERIAL, CLASSIFYING THE MIXTURE TO PRODUCE A FRACTION OF ACCEPTABLE DIMENSIONAL UNIFORMITY, AND THEREAFTER SHEETING SAID FRACTION.
Claim 2
Dependent Claim
74 words
A PROCESS OF MAKING A PAPER OF HIGH BULK WHICH COMPRISES PARTIALLY DISINTEGRATING A DRY, CURED UREA-FORMALDEHYDE RESIN FOAM, COMBINING SAID PARTIALLY DISINTEGRATED FOAM WITH AN AQUEOUS SLURRY OF UNIAXIAL FIBROUS MATERIAL, BEATING SAID COMBINATION TO EFFECT A FURTHER DISINTEGRATION OF SAID FOAM, AND FIBRILLATION OF THE FIBROUS MATERIAL AND A BLENDING OF SAID FOAM AND UNIAXIAL MATERIAL, CLASSIFYING THE MIXTURE TO PRODUCE A FRACTION OF ACCEPTABLE DIMENSIONAL UNIFORMITY, AND THEREAFTER SHEETING SAID FRACTION.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |