Patent US4123964A successfully refreshed from Google Patents.
Patent US2839550A successfully refreshed from Google Patents.
US2839550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of condensation products of mono-unsaturated fatty acids or esters of the same
Assignee: KONINK STEARINE KAARSENFABRIEK
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Filing: 1954-02-11
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Granted: 1958-06-17
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Expires: 1974-02-11
Abstract
No abstract record available.
Inventors
- 👤 Wiggerink Gerrit Lucas
- 👤 Johker Everhardus Wilhelmus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:54
CPC Classifications
C; C11; C11C; C11C3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A PROCESS OF MANUFACTURING CONDENSATION PRODUCTS WHICH COMPRISES HEATING A FATTY MATERIAL SELECTED FROM THE GROUP CONSISTING OF MONO-UNSATURATED HIGHER FATTY ACIDS, ESTERS OF SAID FATTY ACIDS, MIXTURES OF SAID FATTY ACIDS AND ESTERS THEREOF WITH SATURATED FATTY ACIDS AND ESTERS, AND MIXTURES OF SAID FATTY ACIDS AND ESTERS WITH MINOR AMOUNTS OF MORE UNSATURATED FATTY ACIDS AND ESTERS, WITH A DIENOPHILIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF MALEIC ACID, MALEIC ANHYDRIDE AND METHACRYLIC ACID, IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF IODINE, HYDROIODIC ACID, IODINE MONO-CHLORIDE, IODINE TRICHLORIDE, IODINE MONO-BROMIDE, IODINE FLUORIDE, IODOFORM, HYDROIODIC ACID SALTS OF ORGANIC BASES AND ZINC IODIDE.
Claim 2
Dependent Claim
109 words
A PROCESS OF MANUFACTURING CONDENSATION PRODUCTS WHICH COMPRISES HEATING A FATTY MATERIAL SELECTED FROM THE GROUP CONSISTING OF MONO-UNSATURATED HIGHER FATTY ACIDS, ESTERS OF SAID FATTY ACIDS, MIXTURES OF SAID FATTY ACIDS AND ESTERS THEREOF WITH SATURATED FATTY ACIDS AND ESTERS, AND MIXTURES OF SAID FATTY ACIDS AND ESTERS WITH MINOR AMOUNTS OF MORE UNSATURATED FATTY ACIDS AND ESTERS, WITH A DIENOPHILIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF MALEIC ACID, MALEIC ANHYDRIDE AND METHACRYLIC ACID, IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF IODINE, HYDROIODIC ACID, IODINE MONO-CHLORIDE, IODINE TRICHLORIDE, IODINE MONO-BROMIDE, IODINE FLUORIDE, IODOFORM, HYDROIODIC ACID SALTS OF ORGANIC BASES AND ZINC IODIDE.
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) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |