US3265527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing non-woven polymer bonded fabric and article
Assignee: EIDP Inc
•
Filing: 1963-05-27
•
Granted: 1966-08-09
•
Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Robert L Adelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:34
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64; D04H1/66; Y; Y10; Y10S; Y10S430/00; Y10S430/163; Y10S8/00; Y10S8/04; Y10S8/12; Y10S8/18; Y10S8/21; Y10T; Y10T442/00; Y10T442/20; Y10T442/2352; Y10T442/2861
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
PROCESS OF PREPARING NON-WOLLEN FABRICS COMPRISING CONTACTING NON-WOVEN FIBER WITH WATER-DISPRSIBLE POLYMER PARTICLES INTIMATELY ASSOCIATED WITH MINOR AMOUNTS, BY WEIGHT OF SAID PARTICLES, OF EMULSIFER RENDERING SAID PARTICLES WATER-REDSIPERSIBLE AND MAERIAL REACTIVE WITH SAID EMULSIFIER ON EXPOSURE TO ELECRROMAGNETIC RADIATION TO RENDER SAID PARTICLES NON-WATER-REDISPERSIBLE, EXPOSING SAID FIBERS IN WEB FORM IN CONTACT WITH SAID PARTICLES TO SAID RADITION AT DISCRETE WEB SURFACE AREAS WHILE SHIELDING THE REMAINING WEB SURFACE AREA, THE TOTAL WEB SURFACE AREA THUS EXPOSED BEING SUBSTANTIALLY LESS THAN THE TOTAL WEB SURFACE AREA, AND WASHING THE RESULTING WEB WITH WATER TO REMOVE RESIDUAL WATER-REDISPERSIBLE POLYMER PARTICLES.
Claim 2
Dependent Claim
100 words
PROCESS OF PREPARING NON-WOLLEN FABRICS COMPRISING CONTACTING NON-WOVEN FIBER WITH WATER-DISPRSIBLE POLYMER PARTICLES INTIMATELY ASSOCIATED WITH MINOR AMOUNTS, BY WEIGHT OF SAID PARTICLES, OF EMULSIFER RENDERING SAID PARTICLES WATER-REDSIPERSIBLE AND MAERIAL REACTIVE WITH SAID EMULSIFIER ON EXPOSURE TO ELECRROMAGNETIC RADIATION TO RENDER SAID PARTICLES NON-WATER-REDISPERSIBLE, EXPOSING SAID FIBERS IN WEB FORM IN CONTACT WITH SAID PARTICLES TO SAID RADITION AT DISCRETE WEB SURFACE AREAS WHILE SHIELDING THE REMAINING WEB SURFACE AREA, THE TOTAL WEB SURFACE AREA THUS EXPOSED BEING SUBSTANTIALLY LESS THAN THE TOTAL WEB SURFACE AREA, AND WASHING THE RESULTING WEB WITH WATER TO REMOVE RESIDUAL WATER-REDISPERSIBLE POLYMER PARTICLES.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |