US3215757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions comprising epoxy-carboxylic acid condensation products and acrylate polymer
Assignee: Shell USA Inc
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Filing: 1961-02-06
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Granted: 1965-11-02
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Expires: 1981-02-06
Abstract
No abstract record available.
Inventors
- 👤 James R Scheibli
- 👤 Herbert A Newey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:35
CPC Classifications
C; C09; C09D; C09D163/00; C09D133/00; C09D133/04; C09D133/06; C08; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A COMPOSITION COMPRISING A MLIXTURE OF (1) A SOLVENT SOLUBLE EPOXY-CONTAINING REACTION PRODUCT OF AN ACIDIC COMPONENT OF THE GROUP CONSISTING OF POLYCARBOXYLIC ACIDS AND POLYCARBOXYLIC ACID ANHYDRIDES, WITH AT LEAST 195 TIMES THE CHEMICAL EQUIVALENT AMOUNT OF A POLYEPOXIDE CONTAINING MORE THAN ONE VIC-EPOXY GROUP, AND (2) AN ACRYLATE POLYMER, THE AMOUNT OF THE EPOXYCONTAINING REACTION PRODUCE MAKING UP FROM 15% TO 90% BY WEIGHT OF THE COMBINED MIXTURE.
Claim 2
Dependent Claim
70 words
A COMPOSITION COMPRISING A MLIXTURE OF (1) A SOLVENT SOLUBLE EPOXY-CONTAINING REACTION PRODUCT OF AN ACIDIC COMPONENT OF THE GROUP CONSISTING OF POLYCARBOXYLIC ACIDS AND POLYCARBOXYLIC ACID ANHYDRIDES, WITH AT LEAST 195 TIMES THE CHEMICAL EQUIVALENT AMOUNT OF A POLYEPOXIDE CONTAINING MORE THAN ONE VIC-EPOXY GROUP, AND (2) AN ACRYLATE POLYMER, THE AMOUNT OF THE EPOXYCONTAINING REACTION PRODUCE MAKING UP FROM 15% TO 90% BY WEIGHT OF THE COMBINED MIXTURE.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |