Patent US3326831A successfully refreshed from Google Patents.
US3326831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-fogging closure liners
Assignee: WR Grace and Co
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Filing: 1963-01-17
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Granted: 1967-06-20
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Expires: 1983-01-17
Abstract
No abstract record available.
Inventors
- 👤 James A Avtges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:02
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08K; C08K5/00; C08K5/0008; C08K5/0016; C08L91/00; C08L91/06; C08L91/08; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06; C08L2205/00; C08L2205/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
86 words
A PLASTISOL COMPOSITION CONSISTING ESSENTIALLY OF 100 PARTS BY WEIGHT OF A VINYL CHLORIDE RESIN MIXTURE OF A PLASTSOL RESIN HAVING A PARTICLE SIZE IN THE RANGE OF ABOUT 0.2 TO 2 MIRCONS AND A SUSPENSION RESIN HAVING A PARTICLE SIZE IN THE RANGE OF ABOUT 30 TO 300 MICRONS, BETWEEN ABOUT 50 AND 200 PARTS BY WEIGHT OF A PLASTICIZER FOR SAID RESIN MIXTURE AND PETROLEUM WAX IN AN AMOUNT BELOW TWO PERCENT BY WEIGHT OF THE TOTAL COMPOSITION, SAID COMPOSITION BEING TRANSPARENT UPON FIXING.
Claim 2
Dependent Claim
86 words
A PLASTISOL COMPOSITION CONSISTING ESSENTIALLY OF 100 PARTS BY WEIGHT OF A VINYL CHLORIDE RESIN MIXTURE OF A PLASTSOL RESIN HAVING A PARTICLE SIZE IN THE RANGE OF ABOUT 0.2 TO 2 MIRCONS AND A SUSPENSION RESIN HAVING A PARTICLE SIZE IN THE RANGE OF ABOUT 30 TO 300 MICRONS, BETWEEN ABOUT 50 AND 200 PARTS BY WEIGHT OF A PLASTICIZER FOR SAID RESIN MIXTURE AND PETROLEUM WAX IN AN AMOUNT BELOW TWO PERCENT BY WEIGHT OF THE TOTAL COMPOSITION, SAID COMPOSITION BEING TRANSPARENT UPON FIXING.
Claim 3
Dependent Claim
103 words
A PLASTISOL COMPOSITION WHICH IS TRANSPARENT ON FLUXING CONSISTING ESSENTIALLY OF 100 PARTS BY WEIGHT OF A VINYL RESIN MIXTURE CONTAINING A POLYVINYL CHLORIDE PLASTISOL RESIN HAVING A PARTICLE SIZE IN THE RANGE OF ABOUT 0.2 TO 2 MICRONS AND A POLYVINYL CHLORIDE SUSPENSION RESIN HAVING A PARTICLE SIZE IN THE RANGE OF ABOUT 30 TO 300 MICRONS, BETWEEN 50 AND 200 PARTS BY WEIGHT OF DIOCTYL PHTHALATE, BETWEEN 0.5 AND 10 PARTS BY WEIGHT OF A STABILIZER, BETWEEN 2 AND 20 PARTS BY WEIGHT OF A THICKENER, AND PARAFFIN WAX IN AN AMOUNT BELOW TWO PERCENT BY WEIGHT OF THE TOTAL COMPOSITION.
Claim 4
Dependent Claim
103 words
A PLASTISOL COMPOSITION WHICH IS TRANSPARENT ON FLUXING CONSISTING ESSENTIALLY OF 100 PARTS BY WEIGHT OF A VINYL RESIN MIXTURE CONTAINING A POLYVINYL CHLORIDE PLASTISOL RESIN HAVING A PARTICLE SIZE IN THE RANGE OF ABOUT 0.2 TO 2 MICRONS AND A POLYVINYL CHLORIDE SUSPENSION RESIN HAVING A PARTICLE SIZE IN THE RANGE OF ABOUT 30 TO 300 MICRONS, BETWEEN 50 AND 200 PARTS BY WEIGHT OF DIOCTYL PHTHALATE, BETWEEN 0.5 AND 10 PARTS BY WEIGHT OF A STABILIZER, BETWEEN 2 AND 20 PARTS BY WEIGHT OF A THICKENER, AND PARAFFIN WAX IN AN AMOUNT BELOW TWO PERCENT BY WEIGHT OF THE TOTAL COMPOSITION.
References Cited (Backward Citations)
US2181481A
Cited
US2528507A
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 |