This is a division of application Ser. No. 250,887, filed Sep. 29, 1988 which was a Rule 60 Continuation of U.S. Ser. No. 146,307, filed Jan. 21, 1988, now abandoned which was a Rule 60 Continuation of U.S. Ser. No. 919,395 filed Oct. 16, 1986 now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
26330 | Colfer | Jan 1859 | |
3024237 | Drummond et al. | Mar 1962 | |
3087936 | Le Suer | Apr 1963 | |
3131150 | Stuart et al. | Apr 1964 | |
3154560 | Osuch | Oct 1964 | |
3172892 | Le Suer et al. | Mar 1965 | |
3198736 | Henderson | Aug 1965 | |
3215632 | Hughes et al. | Nov 1965 | |
3215707 | Rense | Nov 1965 | |
3219666 | Norman et al. | Nov 1965 | |
3231587 | Rense | Jan 1966 | |
3235484 | Colfer | Feb 1966 | |
3254025 | Le Suer | May 1966 | |
3269946 | Wiese | Aug 1966 | |
3272743 | Norman et al. | Sep 1966 | |
3272746 | LeSuer | Sep 1966 | |
3278550 | Norman et al. | Oct 1966 | |
3284409 | Dorer | Nov 1966 | |
3284410 | Meinhardt | Nov 1966 | |
3288714 | Osuch | Nov 1966 | |
3361673 | Stuart et al. | Jan 1968 | |
3381022 | LeSuer | Apr 1968 | |
3403102 | Le Suer | Sep 1968 | |
3562159 | Mastin | Feb 1971 | |
3576743 | Widmer et al. | Apr 1971 | |
3632510 | Le Suer | Jan 1972 | |
3632511 | Liao | Jan 1972 | |
3714042 | Greenough | Jan 1973 | |
3804763 | Meinhardt | Apr 1974 | |
3806456 | Vogel | Apr 1974 | |
3836470 | Miller | Sep 1974 | |
3836471 | Miller | Sep 1974 | |
3838050 | Miller | Sep 1974 | |
3838052 | Miller | Sep 1974 | |
3879308 | Miller | Apr 1975 | |
3912764 | Palmer, Jr. | Oct 1975 | |
3923668 | Johnston | Dec 1975 | |
3927041 | Cengel et al. | Dec 1975 | |
3948800 | Meinhardt | Apr 1976 | |
3950341 | Okamoto et al. | Apr 1976 | |
3957854 | Miller | May 1976 | |
3991056 | Okamoto et al. | Nov 1976 | |
3991098 | Okamoto | Nov 1976 | |
4062786 | Brois et al. | Dec 1977 | |
4088588 | Pecoraro | May 1978 | |
4110349 | Cohen | Aug 1978 | |
4113639 | Lonstrup et al. | Sep 1978 | |
4116876 | Brois et al. | Sep 1978 | |
4123373 | Brois et al. | Oct 1978 | |
4151173 | Vogel | Apr 1979 | |
4195976 | Ryer et al. | Apr 1980 | |
4234435 | Meinhardt et al. | Nov 1980 | |
4502970 | Sschetelich et al. | Mar 1985 | |
4637886 | Brois et al. | Jan 1987 | |
4686054 | Wisotsky et al. | Aug 1987 | |
4695390 | Koch et al. | Sep 1987 | |
4767551 | Hunt et al. | Aug 1988 | |
4820432 | Lundberg et al. | Apr 1989 | |
4839070 | Gutierrez et al. | Jun 1989 | |
4839071 | Gutierrez et al. | Jun 1989 | |
4839073 | Gutierrez et al. | Jun 1989 | |
4842755 | Dunn | Jun 1989 | |
4857217 | Gutierrez et al. | Aug 1989 | |
4863624 | Emert et al. | Sep 1989 | |
4873004 | Beverwijk et al. | Oct 1989 | |
4915857 | Emert et al. | Apr 1990 |
Number | Date | Country |
---|---|---|
895398 | Mar 1972 | CAX |
0 072 645 A3 | Feb 1983 | EPX |
0 082 601 A2 | Jun 1988 | EPX |
0 271 937 A2 | Jun 1988 | EPX |
984409 | Sep 1963 | GBX |
1 368 277 | Sep 1974 | GBX |
1 398 008 | Jun 1975 | GBX |
1 440 219 | Jun 1976 | GBX |
1 466 173 | Mar 1977 | GBX |
2 023 169 | Dec 1979 | GBX |
2 061 958 | May 1981 | GBX |
2 062 672 | May 1981 | GBX |
2 069 505 | Aug 1981 | GBX |
2 071 139 | Sep 1981 | GBX |
2 081 274 | Feb 1982 | GBX |
2 081 722 | Feb 1982 | GBX |
WO 8503504 | Aug 1985 | WOX |
Entry |
---|
European Patent Office, Decision Rejecting the Opposition by BP Chemicals to EP 264,247, Aug. 14, 1995. |
European Patent Office, Opposition by BP Chemicals to EP 264,247, Dec. 6, 1991 to Jan. 26, 1995. |
Brazilian Patent & Trademark Institute, Opposition by Petroleo Brasileiro to PI 8705522, Oct. 12, 1990 to Aug. 2, 1994 (translation enclosed). |
E.S. Forbes, et al., "The Mechanism of Action of Polyisobutenyl Succinimide Lubricating Oil Additives", Tribology vol. 5, No. 2, 72-77 (Apr. 1972). |
M. V. Bogdanov et al., "Oxidative Thermal Degradation of Alkenylsuccinic Anhydrides", Neftehimiya, 13:743-748 (1973). month unavailable. |
Number | Date | Country | |
---|---|---|---|
Parent | 250887 | Sep 1988 |
Number | Date | Country | |
---|---|---|---|
Parent | 146307 | Jan 1988 | |
Parent | 919395 | Oct 1986 |