US2911386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reacting phenylalkoxy siloxanes with higher fatty alcohols
Assignee: PPG Industries Inc
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Filing: 1953-10-07
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Granted: 1959-11-03
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Expires: 1973-10-07
Abstract
No abstract record available.
Inventors
- 👤 Melvin M Olson
- 👤 Roger M Christenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:38
CPC Classifications
A; A01; A01N; A01N51/00; C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/56; C07D307/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A METHOD OF FORMING A LIQUID COATING MATERIAL WHICH CAN BE BAKED AT ABOUT 150* C. TO ABOUT 250* C. IN 0.5 TO 4 HOURS TO A HARD, DURABLE STATE, WHICH COMPRISES MIXING (A) A LIQUID PHENYLALKOXYPOLSILOXANE CONTAINING PHENYL GROUPS AND ALKOXY GROUPS IN ABOUT EQUAL NUMBERS, THE ALKOXY GROUPS BEING OF ABOUT 3 TO 6 CARBON ATOMS IN CHAIN LENGTH WITH (B) AN ALCOHOL OF A CLASS CONSISTING OF: LAURYL ALCOHOL CETYL ALCOHOL STEARYL ALCOHOL PALMITYL ALCOHOL OLEYL ALCOHOL LINOLEYL ALCOHOL LINOLENYL ALCOHOL ELAEOSTEARYL ALCOHOL SAID ALCOHOL BEING EMPLOYED IN ABOUT STOICHIOMETIC RATIO WITH RESPECT TO THE ALKOXY GROUPS, AND HEATING THE MIXTURE AT A TEMPERATURE IN A RANGE OF ABOUT 170* C. TO ABOUT 210* C. UNTIL ESTER INTERCHANGE BETWEEN THE PHENYLALKOXYPOLSILOXANE AND THE ALCOHOL OF SAID CLASS IS COMPLETED.
Claim 2
Independent Claim
132 words
A METHOD OF FORMING A LIQUID COATING MATERIAL WHICH CAN BE BAKED AT ABOUT 150* C. TO ABOUT 250* C. IN 0.5 TO 4 HOURS TO A HARD, DURABLE STATE, WHICH COMPRISES MIXING (A) A LIQUID PHENYLALKOXYPOLSILOXANE CONTAINING PHENYL GROUPS AND ALKOXY GROUPS IN ABOUT EQUAL NUMBERS, THE ALKOXY GROUPS BEING OF ABOUT 3 TO 6 CARBON ATOMS IN CHAIN LENGTH WITH (B) AN ALCOHOL OF A CLASS CONSISTING OF: LAURYL ALCOHOL CETYL ALCOHOL STEARYL ALCOHOL PALMITYL ALCOHOL OLEYL ALCOHOL LINOLEYL ALCOHOL LINOLENYL ALCOHOL ELAEOSTEARYL ALCOHOL SAID ALCOHOL BEING EMPLOYED IN ABOUT STOICHIOMETIC RATIO WITH RESPECT TO THE ALKOXY GROUPS, AND HEATING THE MIXTURE AT A TEMPERATURE IN A RANGE OF ABOUT 170* C. TO ABOUT 210* C. UNTIL ESTER INTERCHANGE BETWEEN THE PHENYLALKOXYPOLSILOXANE AND THE ALCOHOL OF SAID CLASS IS COMPLETED.
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) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |