US3261886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid polyester compositions containing a major amount of methyl methacrylate
Assignee: Rohm and Haas Co
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Filing: 1962-06-11
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Granted: 1966-07-19
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Expires: 1982-06-11
Abstract
No abstract record available.
Inventors
- 👤 John R Lowry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:50
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/06; C08F; C08F265/00; C08F265/04; C08F265/06; C08F283/00; C08F283/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A LIWUID RESINOUS COMPOSITON WHICH COMPRISES BY WEIGHT (A) METHYL METHACRYLATE IN AMOUNTS OF ABOUT 50 TO ABOUT 80 PARTS, (B) A CONDENSATION PRODUCT OF AN A,BETHYLENICALLY UNSATURATED POLYCARBOXYLIC ACID AND A POLYHYDRIIC ALCOHOL IN AMOUNTS OF ABOUT 5 TO ABOUT 25 PARTS, AND (C) A POLYMER SOLUBLE IN (A) FROM THE GROUP CONSISTING OF POLYMETHYL METHACRYLATE AND COPOLYMERS OF METHYL METHACRYLATE IN PREPONDERANCE AND MINOR AMOUNTS OF ANOTHER MONOMER CONTAINING A SINGLE VINYLIDENE GROUP COPOLYMERIZABLE THEREWITH, IN AMOUNTS OF ABOUT 12 TO ABOUT 45 PART.
Claim 2
Dependent Claim
86 words
A LIWUID RESINOUS COMPOSITON WHICH COMPRISES BY WEIGHT (A) METHYL METHACRYLATE IN AMOUNTS OF ABOUT 50 TO ABOUT 80 PARTS, (B) A CONDENSATION PRODUCT OF AN A,BETHYLENICALLY UNSATURATED POLYCARBOXYLIC ACID AND A POLYHYDRIIC ALCOHOL IN AMOUNTS OF ABOUT 5 TO ABOUT 25 PARTS, AND (C) A POLYMER SOLUBLE IN (A) FROM THE GROUP CONSISTING OF POLYMETHYL METHACRYLATE AND COPOLYMERS OF METHYL METHACRYLATE IN PREPONDERANCE AND MINOR AMOUNTS OF ANOTHER MONOMER CONTAINING A SINGLE VINYLIDENE GROUP COPOLYMERIZABLE THEREWITH, IN AMOUNTS OF ABOUT 12 TO ABOUT 45 PART.
References Cited (Backward Citations)
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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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |