US3238168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of alkyl half esters of itaconic acid and aqueous solutions thereof
Assignee: Primary Products Ingredients Americas LLC
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Filing: 1962-05-21
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Granted: 1966-03-01
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Expires: 1982-05-21
Abstract
No abstract record available.
Inventors
- 👤 Wolff Norwin
- 👤 Thomas B Pitrolffy-Szabo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:47
CPC Classifications
C; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/062; C09D133/064; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31891
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
77 words
THE PROCESS WHICH COMPRISES COATING A SUBSTRATE WITH AN AQUEOUS ALKALINE SOLUTION OF A HIGH MOLECULAR WEIGHT EMULSION COPOLYMER COMPRISING AS ITS TWO ESSENTIAL MONOMERS FROM 40 TO 95 MOLE PERCENT OF ALKYL ESTER OF AN ALPHA, BETA-ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID AND FROM 5 TO 50 MOLE PERCENT OF HALF-ESTER OF ITACONIC ACID, WHEREIN THE TOTAL MOLE PERCENT OF SAID ESSENTIAL MONOMERS IS FROM 60 TO 100 MOLE PERCENT OF SAID COPOLYMER, AND DRYING THE POLYMERIC COATING.
Claim 2
Dependent Claim
77 words
THE PROCESS WHICH COMPRISES COATING A SUBSTRATE WITH AN AQUEOUS ALKALINE SOLUTION OF A HIGH MOLECULAR WEIGHT EMULSION COPOLYMER COMPRISING AS ITS TWO ESSENTIAL MONOMERS FROM 40 TO 95 MOLE PERCENT OF ALKYL ESTER OF AN ALPHA, BETA-ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID AND FROM 5 TO 50 MOLE PERCENT OF HALF-ESTER OF ITACONIC ACID, WHEREIN THE TOTAL MOLE PERCENT OF SAID ESSENTIAL MONOMERS IS FROM 60 TO 100 MOLE PERCENT OF SAID COPOLYMER, AND DRYING THE POLYMERIC COATING.
Claim 3
Dependent Claim
68 words
A COMPOSITION COMPRISING AN AQUEOUS ALKALINE SOLUTION OF A HIGH MLECULAR WEIGHT EMULSION COPOLYMER COMPRISING AS ITS TWO ESSENTIAL MONOMERS FROM 40 TO 95 MOLE PERCENT OF ALKYL ESTER OF AN ALPHA, BETA-ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID AND FROM 5 TO 50 MOLE PERCENT OF ALKYL HALF-ESTER OF ITACONIC ACID, WHEREIN THE TOTAL MOLE LPERCENT OF SAID ESSENTIAL MONOMERS IS FROM 60 TO 100 MOLE PERCENT OF SAID COPOLYMER.
Claim 4
Dependent Claim
68 words
A COMPOSITION COMPRISING AN AQUEOUS ALKALINE SOLUTION OF A HIGH MLECULAR WEIGHT EMULSION COPOLYMER COMPRISING AS ITS TWO ESSENTIAL MONOMERS FROM 40 TO 95 MOLE PERCENT OF ALKYL ESTER OF AN ALPHA, BETA-ETHYLENICALLY UNSATURATED MONOCARBOXYLIC ACID AND FROM 5 TO 50 MOLE PERCENT OF ALKYL HALF-ESTER OF ITACONIC ACID, WHEREIN THE TOTAL MOLE LPERCENT OF SAID ESSENTIAL MONOMERS IS FROM 60 TO 100 MOLE PERCENT OF SAID COPOLYMER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |