US2587295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyd-polysiloxane resins
Assignee: —
•
Filing: —
•
Granted: 1952-02-26
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Expires: 1969-02-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:33
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/42; C08G77/445; C08L; C08L83/00; C08G77/04; C08G77/14; C08G77/16; C08L67/00; C08L67/08; C08L83/04; C09; C09D; C09D167/00; C09D167/08; C09D183/00; C09D183/04; C08L2666/00; C08L2666/02; C08L2666/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
THE PROCESS FOR MAKING A COMPATIBLE RESINOUS COMPOSITION WHICH COMPRISES (1) FORMING A MIXTURE OF INGREDIENTS COMPRISING (A) A PREFORMED OIL-MODIFIED ALKYD RESIN CONTAINING FREE RESIDUAL ALCOHOLIC HYDROXYL GROUPS, THE AMOUNT OF OIL MODIFICATION IN THE ALKYD RESIN BEING FROM 5 TO 80 PER CENT, AND THE POLYHYDRIC ALCOHOL USED IN MAKING THE ALKYD RESIN BEING IN EXCESS OVER THAT REQUIRED TO ESTERIFY ALL THE CARBOXY GROUPS IN THE ALKYD RESIN-FORMING REACTANTS, AND (B) A PREFORMED ORGANO-POLYSILOXANE CONSISTING ESSENTIALLY OF SILICON-BONDED MONOVALENT HYDROCARBON GROUPS, SILICON-BONDED ALKOXY RADICALS, AND SILICON AND OXYGEN ATOMS, AND CONTAINING FROM 0.1 TO 1.0 SILICON-BONDED ALKOXY RADICALS PER SILICON ATOM AND FROM 0.1 TO 2.5 HYDROCARBON GROUPS PER SILICON ATOM EXCLUSIVE OF THE ALKYL GROUPS IN THE ALKOXY RADICALS AND (2) HEATING THE MIXTURE OBTAINED IN (1) AT AN ELEVATED TEMPERATURE WHILE AT THE SAME TIME REMOVING THE ALKANOL FORMED AS A RESULT OF THE INTERACTION OF THE ALCOHOLIC HYDROXYL GROUPS OF THE ALKYD RESIN AND THE ALKOXY RADICALS OF THE ORGANOPOLYSILOXANE UNTIL AN INTERCONDENSED HOMOGENEOUS AND COMPATIBLE RESINOUS PRODUCT IS OBTAINED.
Claim 2
Dependent Claim
176 words
THE PROCESS FOR MAKING A COMPATIBLE RESINOUS COMPOSITION WHICH COMPRISES (1) FORMING A MIXTURE OF INGREDIENTS COMPRISING (A) A PREFORMED OIL-MODIFIED ALKYD RESIN CONTAINING FREE RESIDUAL ALCOHOLIC HYDROXYL GROUPS, THE AMOUNT OF OIL MODIFICATION IN THE ALKYD RESIN BEING FROM 5 TO 80 PER CENT, AND THE POLYHYDRIC ALCOHOL USED IN MAKING THE ALKYD RESIN BEING IN EXCESS OVER THAT REQUIRED TO ESTERIFY ALL THE CARBOXY GROUPS IN THE ALKYD RESIN-FORMING REACTANTS, AND (B) A PREFORMED ORGANO-POLYSILOXANE CONSISTING ESSENTIALLY OF SILICON-BONDED MONOVALENT HYDROCARBON GROUPS, SILICON-BONDED ALKOXY RADICALS, AND SILICON AND OXYGEN ATOMS, AND CONTAINING FROM 0.1 TO 1.0 SILICON-BONDED ALKOXY RADICALS PER SILICON ATOM AND FROM 0.1 TO 2.5 HYDROCARBON GROUPS PER SILICON ATOM EXCLUSIVE OF THE ALKYL GROUPS IN THE ALKOXY RADICALS AND (2) HEATING THE MIXTURE OBTAINED IN (1) AT AN ELEVATED TEMPERATURE WHILE AT THE SAME TIME REMOVING THE ALKANOL FORMED AS A RESULT OF THE INTERACTION OF THE ALCOHOLIC HYDROXYL GROUPS OF THE ALKYD RESIN AND THE ALKOXY RADICALS OF THE ORGANOPOLYSILOXANE UNTIL AN INTERCONDENSED HOMOGENEOUS AND COMPATIBLE RESINOUS PRODUCT IS OBTAINED.
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) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |