US2520919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrylic resin and vinyl copolymer compositions
Assignee: Doremus-Passaic Realty Corp
•
Filing: 1945-05-01
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Granted: 1950-09-05
•
Expires: 1965-05-01
Abstract
No abstract record available.
Inventors
- 👤 Andrew R Forgie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:57
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08K; C08K5/00; C08K5/0008; C08K5/0016; C08L31/00; C08L31/02; C08L31/04; C08L2205/00; C08L2205/02; C08L33/00; C08L33/04; C08L33/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A COMPOSITION COMPRISING (A) A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE HAVING A MOLECULAR WEIGHT BETWEEN 8,000 AND 10,000, (B) A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE HAVING A MOLECULAR WEIGHT BETWEEN 12,000 AND 18,000 AND HAVING A GREATER PERCENTAGE OF VINYL CHLORIDE THAN (A), THE PERCENTAGE OF VINYL ACETATE IN EACH OF SAID COPOLYMERS BEING BETWEEN 5% AND 15% AND THE RATIO OF (A) TO (B) BEING BETWEEN 1 TO 1 AND 5 TO 1, (C) A SOLID ACRYLIC RESIN SELECTED FROM THE GROUP CONSISTING OF POLYMERIC METHYL METHACRYLATE AND POLYMERIC METHYL ACRYLATE, SAID ACRYLIC RESIN HAVING A MELTING POINT BETWEEN 35*C. AND 110*C., THE RATIO BY WEIGHT OF (C) TO THE COMBINED WEIGHTS OF (A) AND (B) BEING BETWEEN 30 TO 100 AND 50 TO 100, (D) A SOLVENT FOR (A), (B), AND (C); (E) A PLASTICIZER FOR (A), (B), AND (C) AND (F) A DILUENT.
Claim 2
Dependent Claim
150 words
A COMPOSITION COMPRISING (A) A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE HAVING A MOLECULAR WEIGHT BETWEEN 8,000 AND 10,000, (B) A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE HAVING A MOLECULAR WEIGHT BETWEEN 12,000 AND 18,000 AND HAVING A GREATER PERCENTAGE OF VINYL CHLORIDE THAN (A), THE PERCENTAGE OF VINYL ACETATE IN EACH OF SAID COPOLYMERS BEING BETWEEN 5% AND 15% AND THE RATIO OF (A) TO (B) BEING BETWEEN 1 TO 1 AND 5 TO 1, (C) A SOLID ACRYLIC RESIN SELECTED FROM THE GROUP CONSISTING OF POLYMERIC METHYL METHACRYLATE AND POLYMERIC METHYL ACRYLATE, SAID ACRYLIC RESIN HAVING A MELTING POINT BETWEEN 35*C. AND 110*C., THE RATIO BY WEIGHT OF (C) TO THE COMBINED WEIGHTS OF (A) AND (B) BEING BETWEEN 30 TO 100 AND 50 TO 100, (D) A SOLVENT FOR (A), (B), AND (C); (E) A PLASTICIZER FOR (A), (B), AND (C) AND (F) A DILUENT.
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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) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |