US3671474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-thinnable condensation products and their use as paint binders
Assignee: Shell USA Inc
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Filing: 1969-06-18
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Granted: 1972-06-20
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Expires: 1989-06-18
Abstract
Abstract The disclosure describes novel condensation products having superior throwing power suitable as electrodeposition paint binders which are the partially neutralized reaction products of a polyepoxide and monocarboxylic acids containing at least 50 percent by weight of ethylenically unsaturated fatty acids, said reaction product having been further esterified with at least 4 percent by weight of an ethylenically unsaturated polycarboxylic acid or anhydride thereof and subsequently reacted with an oilsoluble, heat-non-reactive phenolic resin. The disclosure also describes the process for producing the above-described novel composition.
Inventors
- 👤 William J Van Westrenen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:03
CPC Classifications
C; C08; C08L; C08L63/00; C08L63/10; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/1455; C08G59/1461; C08G59/1472; C08G59/18; C08G59/40; C08G59/42; C08G59/4292; C09; C09D; C09D163/00; C09D163/10; C09D5/00; C09D5/44; C09D5/4419; C09D5/4423; C09D5/4426; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31529; Y10T428/31678; Y10T428/31714; Y10T428/31786
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
41 words
monocarboxylic acids containing at least 50 percent by weight of ethylenically unsaturated fatty acids, in an amount of about 0.8 to 1.3 acid equivalent of monocarboxylic acids per hydroxy equivalent of the polyepoxide, said reaction product having been further reacted with
Claim 2
Dependent Claim
20 words
A process as in claim 1, wherein the ethylenically unsaturated fatty acids have more than one ethylenic group per molecule.
Claim 3
Dependent Claim
16 words
A process as in claim 1, wherein the polyglycidyl polyether is a polyglycidyl polyether of 2.2-bis(4-hydroxyphenyl)propane.
Claim 4
Dependent Claim
42 words
at least 4 percent by weight, based on the reaction product of (2), of an ethylenically unsaturated polycarboxylic acid or an anhydride thereof, 100 parts by weight of the reaction product having been additionally reacted at a temperature above 150* C with
Claim 5
Dependent Claim
34 words
20 to 30 parts by weight of an oil-soluble, heat-non-reactive, virtually methylol free phenolic resin which is a reaction product of a para-substituted phenol with formaldehyde at a phenol/formaldehyde ratio no more than 1:1.
Claim 6
Dependent Claim
34 words
A process as in claim 3, wherein the ethylenically unsaturated polycarboxylic acid or anhydride is maleic acid or maleic anhydride used in an amount between 4 and 10 percent by weight of the polyester.
Claim 7
Dependent Claim
26 words
A process as in claim 1, wherein the polycarboxylated polyester is reacted with the oil-soluble, heat-non-reactive phenolic resin at a temperature between 180* and 220* C.
Claim 8
Dependent Claim
25 words
A process as in claim 1, wherein at least 40 percent of the carboxyl groups in the condensation product formed in step 3 is neutralized.
Claim 9
Dependent Claim
20 words
A composition thinnable with water after neutralization and which contains free carboxyl groups, comprising the partially neutralized reaction product of
Claim 10
Dependent Claim
20 words
A composition as in claim 7, wherein the ethylenically unsaturated fatty acids have more than one ethylenic group per molecule.
Claim 11
Dependent Claim
16 words
A composition as in claim 7, wherein the polyglycidyl ether is a polyglycidyl ether of 2,2-bis(4-hydroxyphenyl)propane.
Claim 12
Dependent Claim
31 words
A composition as in claim 9, wherein the ethylenically unsaturated polycarboxylic acid or anhydride is maleic anhydride used in an amount between 4 and 10 percent by weight of the polyester.
Claim 13
Dependent Claim
54 words
A process for coating a body capable of carrying an electric current with a uniform coating, comprising: a. immersing said body in an aqueous composition of claim 7, b. passing an electric current through said aqueous composition and through said body to deposit a uniform water insoluble film thereon, and c. curing said film.
Claim 14
Dependent Claim
21 words
An article of manufacture comprising a body capable of carrying an electric current coated uniformly with the composition of claim 11.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |