US3061572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl acetate and a mixture of a compatible and incompatible plasticizer and method of preparation
Assignee: Individual
•
Filing: 1959-01-28
•
Granted: 1962-10-30
•
Expires: 1979-01-28
Abstract
No abstract record available.
Inventors
- 👤 Packer Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:18
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0016; Y; Y10; Y10S; Y10S273/00; Y10S273/05; Y10S428/00; Y10S428/914; Y10S524/00; Y10S524/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A TOY FABRICATING HAND-MOLDABLE NON-CURING PLASTIC MASS WHICH IS VISCOELASTIC, RATE SHEAR SENSITIVE, LACKING DIMENSIONAL STABILITY, TEMPERATURE SENSITIVE TO THE EXTEND OF FORMING IN THE HANDS, DUCTILE IN THE HANDS, NON-CRUMBLY AND NON-STICKY, HAVING THE PROPERTY OF SNAPBACK AFTER DEFORMATION, BEHAVING RHEOLOGICALLY AS A SOLID AT HIGH RATES OF SHEAR AND AS A LIQUID AT LOW RATES OF SHEAR, COMPRISING A HOMOGENOUS MIXTURE OF POLYVINYL ACETATE RESIN HAVING A SOFTENING POINT BETWEEN 89.6 AND 187*F., FROM 15 TO 40 PARTS OF COMPATIBLE PLASTICIZER PER 100 PARTS BY WEIGHT OF TOTAL RESIN, AND FROM 7 TO 25 PARTS OF INCOMPATIBLE PLASTICIZER PER 100 PARTS BY WEIGHT OF TOTAL RESIN; A COMPATIBLE PLASTICIZER BEING ONE WHICH WILL NOT BLOOM AND AN INCOMPATIBLE PLASTICIZER BEING ONE WHICH WILL BLOOM.
Claim 2
Dependent Claim
126 words
A TOY FABRICATING HAND-MOLDABLE NON-CURING PLASTIC MASS WHICH IS VISCOELASTIC, RATE SHEAR SENSITIVE, LACKING DIMENSIONAL STABILITY, TEMPERATURE SENSITIVE TO THE EXTEND OF FORMING IN THE HANDS, DUCTILE IN THE HANDS, NON-CRUMBLY AND NON-STICKY, HAVING THE PROPERTY OF SNAPBACK AFTER DEFORMATION, BEHAVING RHEOLOGICALLY AS A SOLID AT HIGH RATES OF SHEAR AND AS A LIQUID AT LOW RATES OF SHEAR, COMPRISING A HOMOGENOUS MIXTURE OF POLYVINYL ACETATE RESIN HAVING A SOFTENING POINT BETWEEN 89.6 AND 187*F., FROM 15 TO 40 PARTS OF COMPATIBLE PLASTICIZER PER 100 PARTS BY WEIGHT OF TOTAL RESIN, AND FROM 7 TO 25 PARTS OF INCOMPATIBLE PLASTICIZER PER 100 PARTS BY WEIGHT OF TOTAL RESIN; A COMPATIBLE PLASTICIZER BEING ONE WHICH WILL NOT BLOOM AND AN INCOMPATIBLE PLASTICIZER BEING ONE WHICH WILL BLOOM.
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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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |