US4240939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wood finishing composition
Assignee: Individual
•
Filing: 1979-02-21
•
Granted: 1980-12-23
•
Expires: 1999-02-21
Abstract
Abstract A wood finishing composition comprising about three parts by volume of an alcoholic solution of white shellac, about two parts by volume of a solution of an oil modified polyurethane resin and about one part by volume of a drying oil. The wood finishing composition produces finishes on wood comparable to prior art compositions, for example french polish, that require considerable skill and time in application.
Inventors
- 👤 Sam Kostic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:03
CPC Classifications
C; C09; C09F; C09F11/00
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
46 words
A wood finishing composition comprising about three parts of volume of an alcoholic solution of white shellac; from about one part of about two parts by volume of a solution of an oil modified polyurethane resin; and about one part by volume of a drying oil.
Claim 2
Dependent Claim
46 words
A wood finishing composition comprising about three parts of volume of an alcoholic solution of white shellac; from about one part of about two parts by volume of a solution of an oil modified polyurethane resin; and about one part by volume of a drying oil.
Claim 3
Dependent Claim
39 words
A composition as claimed in claim 1 in which the oil modified polyurethane resin is a solution in mineral spirits of the reaction product from by volume: Soya bean oil: 60% phthalic anhydride: 10% pentaerythritol: 10% 2:4-toluene diisocyanate: 10%
Claim 4
Dependent Claim
16 words
A composition as claimed in claim 1 in which the drying oil is a urethane oil.
Claim 5
Dependent Claim
16 words
A composition as claimed in claim 1 in which the drying oil is boiled linseed oil.
Claim 6
Dependent Claim
43 words
A wood finishing composition consisting essentially of about three parts by volume of an alcoholic solution of white shellac; about two parts by volume of a solution of an oil modified polyurethane resin; and about one part by volume of a drying oil.
Claim 7
Dependent Claim
43 words
A wood finishing composition consisting essentially of about three parts by volume of an alcoholic solution of white shellac; about two parts by volume of a solution of an oil modified polyurethane resin; and about one part by volume of a drying oil.
Claim 8
Dependent Claim
73 words
A process for finishing a sanded surface of a wood article which comprises; (a) applying thereto a composition comprising (i) about three parts by volume of an alcoholic solution of white shellac, (ii) from about one to about two parts by volume of an oil modified polyurethane resin, (iii) about one part by volume of a drying oil; and (b) buffing the surface for a time sufficient to provide a highly polished finish.
Claim 9
Dependent Claim
73 words
A process for finishing a sanded surface of a wood article which comprises; (a) applying thereto a composition comprising (i) about three parts by volume of an alcoholic solution of white shellac, (ii) from about one to about two parts by volume of an oil modified polyurethane resin, (iii) about one part by volume of a drying oil; and (b) buffing the surface for a time sufficient to provide a highly polished finish.
Claim 10
Dependent Claim
16 words
The process according to claim 6, in which the buffing is performed for about fifteen minutes.
Claim 11
Dependent Claim
58 words
The process according to claim 6, in which the oil modified polyurethane resin is a solution in mineral spirits of a reaction product of the following on a volume basis: soya bean oil: 60% phthalic anhydride: 10% pentaerythritol: 10% 2:4-toluene diisocyanate: 10% and the drying oil is selected from the group comprising urethane oil and boiled linseed oil.
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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) | 1983-12-23 | 1984-06-23 | 1984-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-23 | 1988-06-23 | 1988-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-23 | 1992-06-23 | 1992-12-23 | $7700.00 | Window Closed / Lapsed |