US3876574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rust preventing paint consisting essentially of high molecular metal-combining reaction product
Assignee: Kansai Paint Co Ltd
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Filing: 1972-09-21
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Granted: 1975-04-08
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Expires: 1992-09-21
Abstract
Abstract A rust preventing paint for steel which contains high molecular weight metal-combining reaction product as a film-forming material.
Inventors
- 👤 Masaki Nagahisa
- 👤 Susumu Nagao
- 👤 Morio Kimura
- 👤 Kameo Machihara
- 👤 Syozo Yamamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:40
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; C08; C08G; C08G63/00; C08G63/68; C08G63/681; C08G79/00; C23; C23F; C23F11/00; C23F11/08; C23F11/10
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
19 words
A RUST PREVENTIVE PAINT COMPRISING AS A FILM FORMING MATERIAL THE REACTION PRODUCT OF: A. THE REACTION PRODUCT OF:
Claim 2
Dependent Claim
19 words
A RUST PREVENTIVE PAINT COMPRISING AS A FILM FORMING MATERIAL THE REACTION PRODUCT OF: A. THE REACTION PRODUCT OF:
Claim 3
Dependent Claim
59 words
AN ALIPHATIC POLYCARBOXYLIC ACID HAVING TWO CARBOXYL GROUPS IN ITS MOLECULE SELECTED FROM THE GROUP CONSISTING OF TALL OIL DIMER ACID, LINSEED OIL DIMER ACID AND MALEIC ACID OR MIXTURE THEREOF WITH A MONOCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF LINSEED OIL FATTY ACID, SOYBEAN OIL FATTY ACID, TALL OIL FATTY ACID, ROSIN ACID AND BENZOIC ACID, AND
Claim 4
Dependent Claim
59 words
AN ALIPHATIC POLYCARBOXYLIC ACID HAVING TWO CARBOXYL GROUPS IN ITS MOLECULE SELECTED FROM THE GROUP CONSISTING OF TALL OIL DIMER ACID, LINSEED OIL DIMER ACID AND MALEIC ACID OR MIXTURE THEREOF WITH A MONOCARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF LINSEED OIL FATTY ACID, SOYBEAN OIL FATTY ACID, TALL OIL FATTY ACID, ROSIN ACID AND BENZOIC ACID, AND
Claim 5
Dependent Claim
24 words
The rust preventive paint of claim 1 wherein the monocarboxylic acid is employed in an equimolar or less amount against the aliphatic polycarboxylic acid.
Claim 6
Dependent Claim
84 words
A 0.2 TO 0.7 EQUIVALENT BASED ON THE TOTAL AMOUNT OF CARBOXYLIC GROUPS PRESENT IN 1) OF AN OXIDE OR HYDROXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF LEAD, CALCIUM, COBALT, ZINC, IRON, MANGANESE, NICKEL, MANGNESIUM, BARIUM, CADMIUM, STRONTIUM AND CHROMIUM AND B. A 0.1 TO 0.7 EQUIVALENT BASED ON THE CARBOXYLIC GROUPS PRESENT IN REACTION PRODUCT A) OF A TRIHYDRIC ALIPHATIC ALCOHOL OR TRIHYDRIC ALIPHATIC ALCOHOL CONTAINING AN AMINO NITROGEN SELECTED FROM THE GROUP CONSISTING OF GLYCERINE, TRIMETHYLOLETHANE, TRIMETHYLOLPROPANE AND TRIMETHYLOLAMINOETHANE.
Claim 7
Dependent Claim
84 words
A 0.2 TO 0.7 EQUIVALENT BASED ON THE TOTAL AMOUNT OF CARBOXYLIC GROUPS PRESENT IN 1) OF AN OXIDE OR HYDROXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF LEAD, CALCIUM, COBALT, ZINC, IRON, MANGANESE, NICKEL, MANGNESIUM, BARIUM, CADMIUM, STRONTIUM AND CHROMIUM AND B. A 0.1 TO 0.7 EQUIVALENT BASED ON THE CARBOXYLIC GROUPS PRESENT IN REACTION PRODUCT A) OF A TRIHYDRIC ALIPHATIC ALCOHOL OR TRIHYDRIC ALIPHATIC ALCOHOL CONTAINING AN AMINO NITROGEN SELECTED FROM THE GROUP CONSISTING OF GLYCERINE, TRIMETHYLOLETHANE, TRIMETHYLOLPROPANE AND TRIMETHYLOLAMINOETHANE.
Claim 8
Dependent Claim
49 words
The rust preventive paint of claim 2 wherein 3 moles of linseed oil dimer acid as the aliphatic polycarboxylic acid 2 moles of soybean oil fatty acid as the monocarboxylic acid, 1 mole of metal oxide or hydroxide and 0.5 moles of glycerine as the trihydric alcohol are employed.
Claim 9
Dependent Claim
34 words
The rust preventive paint of claim 2 wherein 1.12 moles of tall oil dimer acid as the aliphatic polycarboxylic acid, 0.34 moles of metal oxide or hydroxide and 0.33 moles of trimethylolaminomethane are employed.
Claim 10
Dependent Claim
50 words
The rust preventive paint according to claim 2 wherein 0.6 moles of tall oil dimer acid as the aliphatic polycarboxylic acid, 0.4 moles of linseed oil fatty acid as the monocarboxylic acid, 0.5 moles of metal oxide or hydroxide and 0.12 moles of trimethylolpropane as the trihydric alcohol are employed.
Claim 11
Dependent Claim
47 words
The rust preventive paint according to claim 2 wherein 1 mole of maleic acid anhydride as the aliphatic polycarboxylic acid, 1 mole of linseed oil fatty acid as the monocarboxylic acid, 0.5 moles of metal oxide or oxide or hydroxide and 0.27 moles trihydric alcohol are employed.
Claim 12
Dependent Claim
43 words
The rust preventive paint according to claim 2 wherein 1 mole of tall oil dimer as the aliphatic polycarboxylic acid, 1 mole of rosin acid as the monocarboxylic acid, 0.46 moles of metal oxide or hydroxide acid, 0.44 moles of trihydroxymethylaminomethane are employed.
Claim 13
Dependent Claim
33 words
The rust preventive paint according to claim 2 wherein 1.12 moles of tall oil dimer acid as the aliphatic polycarboxylic acid, 0.34 moles metal oxide or hydroxide and 0.33 moles trihydroxymethylaminomethane are employed.
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) | 1978-04-07 | 1978-10-07 | 1979-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-07 | 1982-10-07 | 1983-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-07 | 1986-10-07 | 1987-04-08 | $7700.00 | Window Closed / Lapsed |