US3088928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel emulsifiable waxy linear polyesters
Assignee: SC Johnson and Son Inc
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Filing: 1959-10-01
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Granted: 1963-05-07
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Expires: 1979-10-01
Abstract
No abstract record available.
Inventors
- 👤 Clifford R Berres
- 👤 Georges E Tabet
- 👤 Edward A Wilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:34
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/20; C09; C09G; C09G1/00; C09G1/06; C09G1/14; C09G1/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
147 words
A SELF-LUSTERING PROTECTIVE COATING COMPOSITION COMPRISING WATER AND A FILM FORMING AGENT, THE FILM FORMING AGENT INCLUDING EMULSIFIABLE WAXY LINEAR POLYESTERS OF (1) A NON-BRANCHED POLYMETHYLENE GLYCOL HAVING FROM 4 TO ABOUT 15 CARBON ATOMS, (2) A NON-BRANCHED POLYMETHYLENE DICARBOXYLIC ACID HAVING FROM 4 TO ABOUT 15 CARBON ATOMS AND (3) A STRAIGHT CHAIN ALIPHATIC MONOHYDRIC ALCOHOL HAVING FROM 26 TO ABOUT 45 CARBON ATOMS, SAID POLYSTERS CONTAINING ONLY CARBON, HYDROGEN AND OXYGEN, AND HAVING A MELTING POINT OF AT LEAST ABOUT 80* C. AND AN ACID VALUE OF FROM ABOUT 10 TO ABOUT 30, THE PROPORTIONS OF (1), (2) AND (3) BEING SUBSTANTIALLY N MOLS OF SAID GLYCOL, N PLUS 1 MOLS OF SAID DICARBOXYLIC ACID AND 1 MOL OF SAID ALCOHOL, N HAVING A VALUE OF FROM 2 TO 30 SAID POLYESTER MOLECULES BEING TERMINATED PREDOMINANTLY WITH CARBOXYL AND ALKYL GROUPS IN SUBSTANTIALLY EQUAL PROPORTIONS.
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |