US3846247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moisture barrier
Assignee: Warner Lambert Co LLC
•
Filing: 1972-09-27
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Granted: 1974-11-05
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Expires: 1992-09-27
Abstract
Abstract 1. IN A STRIP OF BIBULOUS MATERIAL, CAPABLE OF ABSORBING FLUID BY CAPILLARY ACTION, SAIS STRIP BEING DIVIDED INTO SEVERVAL ZONES WHICH MAY BE IMPREGNATED WITH VARIOUS MATERIALS THE IMPROVEMENT OF WHICH COMPRISES SAID STRIP HAVING AT LEAST ONE MOISTURE BARRIER ZONE AREA FORMED BY HAVING IMPREGNATED THEREIN A CHROME COMPLEX COORDINATION COMPOUND OF R-C<(-O-CR(-CL2)-->O(-H)-CR(-CL2)-->O=) WHEREIN R REPRESENTS A C13 TO C18 FATTY ACID RADICAL AND HAVING FURTHER IMPREGNATED OVER AND EXTENDING OVER EITHER SIDE OF THE SAME AREA ETHYL METHACRYLATE-,ETHYL ACRYLATE COPOLYMER.
Inventors
- 👤 W Young
- 👤 P Lewandowski
- 👤 D Kronish
- 👤 L Zuriff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:23
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/52; Y; Y10; Y10S; Y10S435/00; Y10S435/805
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
IN A STRIP OF BIBULOUS MATERIAL, CAPABLE OF ABSORBING FLUID BY CAPILLARY ACTION, SAIS STRIP BEING DIVIDED INTO SEVERVAL ZONES WHICH MAY BE IMPREGNATED WITH VARIOUS MATERIALS THE IMPROVEMENT OF WHICH COMPRISES SAID STRIP HAVING AT LEAST ONE MOISTURE BARRIER ZONE AREA FORMED BY HAVING IMPREGNATED THEREIN A CHROME COMPLEX COORDINATION COMPOUND OF
Claim 2
Dependent Claim
53 words
IN A STRIP OF BIBULOUS MATERIAL, CAPABLE OF ABSORBING FLUID BY CAPILLARY ACTION, SAIS STRIP BEING DIVIDED INTO SEVERVAL ZONES WHICH MAY BE IMPREGNATED WITH VARIOUS MATERIALS THE IMPROVEMENT OF WHICH COMPRISES SAID STRIP HAVING AT LEAST ONE MOISTURE BARRIER ZONE AREA FORMED BY HAVING IMPREGNATED THEREIN A CHROME COMPLEX COORDINATION COMPOUND OF
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) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |