| |
 |
|
Class Information
Number: 428/843.4
Name: Stock material or miscellaneous articles > Magnetic recording component or stock > Binder media > Single magnetic layer > With organic compound adjuvant in magnetic layer > Lubricant > Ester
Description: Subject matter in which the lubricant is an ester (i.e., a compound formed from reacting an organic acid and an alcohol).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7323260 |
Lubricant, recording medium and carboxylic acid compound |
Jan. 29, 2008 |
| 6599608 |
Media employing substantially spherical magneto-plumbite ferrite particles |
Jul. 29, 2003 |
| 6506486 |
Magnetic recording medium |
Jan. 14, 2003 |
| 6124013 |
Magnetic recording medium |
Sep. 26, 2000 |
| 6045901 |
Magnetic recording medium |
Apr. 4, 2000 |
| 5776596 |
Magnetic recording medium having a magnetic layer and intermediate layer each containing a specified fatty acid and fatty acid ester |
Jul. 7, 1998 |
| 5688591 |
Magnetic recording medium containing an unsaturated fatty acid diester of a dihydric alcohol |
Nov. 18, 1997 |
| 5560983 |
Magnetic recording medium comprising a magnetic layer and a sub layer containing an unsaturated alkyl carbonic ester |
Oct. 1, 1996 |
| 5556717 |
Coating-type magnetic recording medium comprising an ascorbic ester compound in or on a magnetic recording layer |
Sep. 17, 1996 |
| 5356726 |
Magnetic recording medium comprising a magnetic layer having ferromagnetic powder, a specified binder and a lubricant composition which includes a specified tertiary branched chain fatty acid |
Oct. 18, 1994 |
| 5145751 |
Magnetic recording medium comprising magnetic particles and a binder and a dioxolane ester lubricant |
Sep. 8, 1992 |
| 5118565 |
Magnetic recording medium having a magnetic layer containing a fatty acid, a fatty acid ester and a single specified carbon black |
Jun. 2, 1992 |
| 5112679 |
Magnetic disk |
May. 12, 1992 |
| 5104751 |
Magnetic recording medium lubricant comprising a phthalic acid diester and fatty acid ester |
Apr. 14, 1992 |
| 5091268 |
Magnetic recording medium lubricated by a three component fatty acid ester-fatty acid amide composition |
Feb. 25, 1992 |
| 5091270 |
Magnetic recording medium lubricated by a mixture of methyl branched iso ester compounds synthesized by the oko process |
Feb. 25, 1992 |
| 5061564 |
Magnetic recording medium comprising a polar group containing resin or compound and a methyl iso ester lubricant prepared from a methyl iso acid or methyl iso alcohol or both |
Oct. 29, 1991 |
| 5053289 |
Magnetic recording medium |
Oct. 1, 1991 |
| 5049448 |
Magnetic recording medium containing an ester lubricant branched from the number 2 carbon position of the acid residue |
Sep. 17, 1991 |
| 5045372 |
Magnetic recording medium containing ferromagnetic metal powder and a specific fatty acid ester in a content dependent upon the specific surface area of the ferromagnetic metal powder |
Sep. 3, 1991 |
| 5041336 |
Magnetic recording medium using a binder resin containing a polar group, and a lubricant system comprising two types of fatty acid esters and one fatty acid |
Aug. 20, 1991 |
| 5030521 |
Magnetic recording medium using a fatty acid ester lubricant wherein the alcohol component is branched at the number one carbon position |
Jul. 9, 1991 |
| 4952458 |
Magnetic recording medium |
Aug. 28, 1990 |
| 4847156 |
Magnetic recording medium |
Jul. 11, 1989 |
| 4828925 |
Magnetic disc |
May. 9, 1989 |
| 4820565 |
Magnetic recording medium |
Apr. 11, 1989 |
| 4818606 |
Highly running-endurant magnetic recording medium |
Apr. 4, 1989 |
| 4803133 |
Magnetic recording medium |
Feb. 7, 1989 |
| 4786551 |
Magnetic recording medium |
Nov. 22, 1988 |
| 4770952 |
Magnetic recording media dispersants |
Sep. 13, 1988 |
| 4764423 |
Abrasive tape |
Aug. 16, 1988 |
| 4748090 |
Magnetic recording media |
May. 31, 1988 |
| 4741959 |
Magnetic recording medium |
May. 3, 1988 |
| 4696869 |
Magnetic recording medium |
Sep. 29, 1987 |
| 4690864 |
Magnetic recording medium |
Sep. 1, 1987 |
| 4668586 |
Magnetic recording media |
May. 26, 1987 |
| 4652500 |
Magnetic recording medium |
Mar. 24, 1987 |
| 4647502 |
Magnetic recording medium |
Mar. 3, 1987 |
| 4645724 |
Magnetic recording medium comprising a specific type of lubricant |
Feb. 24, 1987 |
| 4554220 |
Magnetic recording media |
Nov. 19, 1985 |
| 4539266 |
Magnetic recording medium |
Sep. 3, 1985 |
| 4522885 |
Magnetic recording medium |
Jun. 11, 1985 |
| 4465608 |
Process for the production of magnetic dispersions containing binders |
Aug. 14, 1984 |
| 4465737 |
Magnetic recording medium |
Aug. 14, 1984 |
| 4414289 |
High density magnetic recording medium |
Nov. 8, 1983 |
| 4405481 |
Magnetic recording medium |
Sep. 20, 1983 |
| 4391877 |
Magnetic recording medium |
Jul. 5, 1983 |
| 4383000 |
Magnetic recording medium |
May. 10, 1983 |
| 4322474 |
Magnetic recording medium |
Mar. 30, 1982 |
| 4303738 |
Magnetic media having tridecyl stearate lubricant |
Dec. 1, 1981 |
|
|
|
