US3300439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solvent solution of an alkylol ethylenically unsaturated amide copolymer having at least a portion of said alkylol groups etherified with a mixture of a monohydric alcohol and a polyhydric alcohol
Assignee: De Soto Chemical Coatings Inc
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Filing: 1963-05-01
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Granted: 1967-01-24
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Expires: 1983-05-01
Abstract
No abstract record available.
Inventors
- 👤 Le Roy A Chloupek
- 👤 Sekmakas Kazys
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:19
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/52; C08F20/54; C08F20/58; C08F2800/00; C08F2800/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
AN ORGANIC SOLVENT SOLUTION COMPRISING AN ORGANIC SOLVENT INCLUDING AROMATIC HYDROCARBON SOLVENT, SATURATED ALIPHATIC MONOHYDRIC ALCOHOL, AND SATURATED ALIPHATIC POLYHYDRIC ALCOHOL HAVING DISSOLVED THEREIN A HEAT-HARDENING, NON-GELLED INTERPOLYMER COMPRISING: (A) 2-50% BY WEIGHT BASED ON THE WEIGHT OF THE INTERPOLYMER, OF AN AMIDE OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACID; AND (B) OTHER ETHYLENICALLY UNSATURATED MATERIAL COPOLYMERIZABLE WITH SAID AMIDE; SAID INTERPOLYMER HAVING AT LEAST SOME AMIDO-HYDROGEN ATOMS REPLACED WITH ALKYLOL GROUPS AND AT LEAST SOME OF SAID ALKYLOL GROUPS BEING ETHERIFIED WITH A MIXTURE OF SATURATED ALIPHATIC MONOHYDRIC ALCOHOL AND SATURATED ALIPHATIC POLYHYDRIC ALCOHOL FORMING PART OF SAID ORGANIC SOLVENT.
Claim 2
Dependent Claim
99 words
AN ORGANIC SOLVENT SOLUTION COMPRISING AN ORGANIC SOLVENT INCLUDING AROMATIC HYDROCARBON SOLVENT, SATURATED ALIPHATIC MONOHYDRIC ALCOHOL, AND SATURATED ALIPHATIC POLYHYDRIC ALCOHOL HAVING DISSOLVED THEREIN A HEAT-HARDENING, NON-GELLED INTERPOLYMER COMPRISING: (A) 2-50% BY WEIGHT BASED ON THE WEIGHT OF THE INTERPOLYMER, OF AN AMIDE OF ETHYLENICALLY UNSATURATED CARBOXYLIC ACID; AND (B) OTHER ETHYLENICALLY UNSATURATED MATERIAL COPOLYMERIZABLE WITH SAID AMIDE; SAID INTERPOLYMER HAVING AT LEAST SOME AMIDO-HYDROGEN ATOMS REPLACED WITH ALKYLOL GROUPS AND AT LEAST SOME OF SAID ALKYLOL GROUPS BEING ETHERIFIED WITH A MIXTURE OF SATURATED ALIPHATIC MONOHYDRIC ALCOHOL AND SATURATED ALIPHATIC POLYHYDRIC ALCOHOL FORMING PART OF SAID ORGANIC SOLVENT.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |