US3817807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making nonwoven scrims
Assignee: Kimberly Clark Corp
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Filing: 1972-04-07
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Granted: 1974-06-18
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Expires: 1992-04-07
Abstract
Abstract A PROCESS FOR FORMING NONWOVEN SCRIMS IN WHICH AN ADHESIVELY BONDED SCRIM POSITIONED ON A CARRIER BELT IS BROUGHT INTO CONTACT WITH AN ARCUATE, RELEASE SURFACE HEATED TO A TEMPERATURE GENERALLY IN THE RANGE OF 200*F. TO 400*F. AND SEPARATING THE CARRIER AND SCRIM FROM THE SURFACE AFTER THE ADHESIVE HAS REACHED ITS ELASTOMERIC POINT. SEPARATION WITHOUT SIGNIFICANT BUILDUP IS ACHIEVED BY INCORPORATING INTO THE ADHESIVE A MINOR AMOUNT OF A SELECTED RELEASE AGENT SUCH AS MINERAL OIL, A PARAFFIN WAX EMULSION, OLEIC ACID AND DIOCTYL PHTHALATE.
Inventors
- 👤 R Braun
- 👤 J Schwoerer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:06
CPC Classifications
D; D04; D04H; D04H3/00; D04H3/08; D04H3/12
Claims Analysis
Total Claims: 0
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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) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |