US4585564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold rolling oil for steel sheet
Assignee: Nihon Parkerizing Co Ltd
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Filing: 1984-06-15
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Granted: 1986-04-29
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Expires: 2004-06-15
Abstract
Abstract In this invention provided are cold rolling oils for steel sheets which are applied for cold rolling of steel sheets and have excellent lubricity, lubrication stability, and fresh oil replenishing property.
Inventors
- 👤 Eisuke Tohmata
- 👤 Ryoichiro Takahashi
- 👤 Sakae Sonoda
- 👤 Shoji Okamoto
- 👤 Osamu Furuyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:32
CPC Classifications
C; C10; C10M; C10M141/00; C10M173/00; C10M145/00; C10M145/02; C10M145/10; C10M145/12; C10M145/14; C10M145/18; C10M145/24; C10M145/26; C10M145/28; C10M145/36; C10M145/38; C10M149/00; C10M149/02; C10M149/04; C10M149/06; C10M2201/00; C10M2201/02; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/108; C10M2209/109; C10M2217/00; C10M2217/02; C10M2217/022; C10M2217/023; C10M2217/024; C10M2217/04; C10M2217/06; C10M2221/00; C10N; C10N2040/00; C10N2040/20; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
38 words
A cold rolling oil composition for steel sheets consisting essentially of (1) cold rolling oil and (2) cationic high-molecular compound and 0.1-5% of nonionic surfactant having an HLB value of at least 12 as emulsifying and dispersing agents.
Claim 2
Dependent Claim
38 words
A cold rolling oil composition for steel sheets consisting essentially of (1) cold rolling oil and (2) cationic high-molecular compound and 0.1-5% of nonionic surfactant having an HLB value of at least 12 as emulsifying and dispersing agents.
Claim 3
Dependent Claim
33 words
A cold rolling oil for steel sheets as claimed in claim 1 wherein said nonionic surfactant is selected from the group consisting of polyoxyethylene alkylether, polyoxyethylene alkylphenylether, polyoxyethylene alkylester, and polyoxyethylene sorbitan alkylester.
Claim 4
Dependent Claim
31 words
A cold rolling oil for steel sheets as claimed in claim 1 wherein said cationic high-molecular compound is selected from the group consisting of salts or organic acid or inorganic acid.
Claim 5
Dependent Claim
40 words
A cold rolling oil for steel sheets as claimed in claim 1 wherein said rolling oil is an oil prepared from at least one, material selected from the group consisting of animal oils, vegetable oils, synthetic esters, and mineral oils.
Claim 6
Dependent Claim
33 words
A cold rolling oil for steel sheets as claimed in claim 1 wherein said rolling oil contains at least one, additive selected from the group consisting of oiliness improvers, extreme-pressure additives, and antioxidants.
Claim 7
Dependent Claim
20 words
A cold rolling oil for steel sheets as claimed in claim 1 wherein the amount of nonionic surfactant is 0.3-3%.
Claim 8
Dependent Claim
20 words
A cold rolling oil for steel sheets as claimed in claim 2 wherein the amount of nonionic surfactant is 0.3-3%.
Claim 9
Dependent Claim
59 words
A cold rolling oil for steel sheets as claimed in claim 2 wherein said cationic high-molecular compound is selected from the group consisting of salts of organic acid or inorganic acid and said rolling oil is an oil prepared from at least one material selected from the group consisting of animal oils, vegetable oils, synthetic esters and mineral oils.
Claim 10
Dependent Claim
20 words
A cold rolling oil for steel sheets as claimed in claim 8 wherein the amount of nonionic surfactant is 0.3-3%.
Claim 11
Dependent Claim
46 words
A cold rolling oil for steel sheets as claimed in claim 9 wherein said cationic high-molecular compound is a formic, acetic, propionic, phosphoric or boric acid salt of N,N-dialkylaminoalkyl polymethacrylate or polyacrylate or N,N-dialkylaminoalkyl polymethacrylamide or polyacrylamide, polyaminesulfone, polyethyleneimine, polyacrylic acid, polymethacrylic acid, hydrazide or α-N,N-dimethylaminopoly-ε-capramide.
Claim 12
Dependent Claim
34 words
A cold rolling oil for steel sheets as claimed in claim 10 wherein said rolling oil is an oil prepared from tallow and wherein said nonionic surfactant is polyoxyethylene sorbitan monooleate or polyoxyethylene stereate.
Claim 13
Dependent Claim
23 words
A cold rolling oil for steel sheets as claimed in claim 11 wherein said high-molecular compound is acetic acid salt of N,N-dimethylaminoethyl polymethacrylate.
References Cited (Backward Citations)
US4392865A
Cited
US4390438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-28 | 1989-10-28 | 1990-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-28 | 1993-10-28 | 1994-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-28 | 1997-10-28 | 1998-04-29 | $7700.00 | Window Closed / Lapsed |