Patent US3326739A successfully refreshed from Google Patents.
US3326739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low gloss film
Assignee: EIDP Inc
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Filing: 1962-10-04
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Granted: 1967-06-20
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Expires: 1982-10-04
Abstract
No abstract record available.
Inventors
- 👤 Brennan James Leo
- 👤 Bryan William Locke
- 👤 Kieffer Richard Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:33
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/18; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C09D127/14; C08J2327/00; C08J2327/02; C08J2327/12; C08J2327/14; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/268
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A POLYVINYL FLUORIDE FILM CNTAINING FROM 1% TO 35% BY WEIGHT, BASED ON THE TOTAL WEIGHT OF THE FILM, OF AN OPACIFYING COLORATION PIGMENT AND FROM 2% TO 15% BY WEIGHT OF A PARTICULATE CALCIUM CARBONATE HAVING LESS THAN 0.1% BY WEIGHT, BASED ON THE WEIGHT OF PARTICULATE CALCIUM CARBONATE, OF WATER-SOLUBLE COMPONENTS EXPRESSED AS NACL AND COMPRISING PARTICLES OF IRREGULAR AND RANDOM SHAPE RANGING FROM 1 TO 35 MICRONS IN AVERAGE DIAMETER, SAID POLYVINYL FLUORIDE FILM EXHIBITING A GARDNER GLOSS RATING NOT GREATER THAN 50 AT 85*
Claim 2
Dependent Claim
88 words
A POLYVINYL FLUORIDE FILM CNTAINING FROM 1% TO 35% BY WEIGHT, BASED ON THE TOTAL WEIGHT OF THE FILM, OF AN OPACIFYING COLORATION PIGMENT AND FROM 2% TO 15% BY WEIGHT OF A PARTICULATE CALCIUM CARBONATE HAVING LESS THAN 0.1% BY WEIGHT, BASED ON THE WEIGHT OF PARTICULATE CALCIUM CARBONATE, OF WATER-SOLUBLE COMPONENTS EXPRESSED AS NACL AND COMPRISING PARTICLES OF IRREGULAR AND RANDOM SHAPE RANGING FROM 1 TO 35 MICRONS IN AVERAGE DIAMETER, SAID POLYVINYL FLUORIDE FILM EXHIBITING A GARDNER GLOSS RATING NOT GREATER THAN 50 AT 85*
References Cited (Backward Citations)
US1966856A
Cited
US2953818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |