HK1050209B - 用於製備潤滑油基本油料的加氫轉換方法 - Google Patents
用於製備潤滑油基本油料的加氫轉換方法Info
- Publication number
- HK1050209B HK1050209B HK03100468.0A HK03100468A HK1050209B HK 1050209 B HK1050209 B HK 1050209B HK 03100468 A HK03100468 A HK 03100468A HK 1050209 B HK1050209 B HK 1050209B
- Authority
- HK
- Hong Kong
- Prior art keywords
- lubricating oil
- hydroconversion process
- oil basestocks
- making lubricating
- basestocks
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
- C10M101/02—Petroleum fractions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G65/00—Treatment of hydrocarbon oils by two or more hydrotreatment processes only
- C10G65/02—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only
- C10G65/04—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including only refining steps
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G65/00—Treatment of hydrocarbon oils by two or more hydrotreatment processes only
- C10G65/02—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only
- C10G65/12—Treatment of hydrocarbon oils by two or more hydrotreatment processes only plural serial stages only including cracking steps and other hydrotreatment steps
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G67/00—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only
- C10G67/02—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only
- C10G67/04—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only including solvent extraction as the refining step in the absence of hydrogen
- C10G67/0409—Extraction of unsaturated hydrocarbons
- C10G67/0418—The hydrotreatment being a hydrorefining
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G67/00—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only
- C10G67/02—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only
- C10G67/04—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only including solvent extraction as the refining step in the absence of hydrogen
- C10G67/0409—Extraction of unsaturated hydrocarbons
- C10G67/0445—The hydrotreatment being a hydrocracking
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G71/00—Treatment by methods not otherwise provided for of hydrocarbon oils or fatty oils for lubricating purposes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/30—Physical properties of feedstocks or products
- C10G2300/302—Viscosity
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/4006—Temperature
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/4012—Pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/4018—Spatial velocity, e.g. LHSV, WHSV
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/44—Solvents
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/80—Additives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/80—Additives
- C10G2300/805—Water
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/10—Lubricating oil
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Lubricants (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31807599A | 1999-05-25 | 1999-05-25 | |
US09/532,377 US6322692B1 (en) | 1996-12-17 | 2000-03-21 | Hydroconversion process for making lubricating oil basestocks |
PCT/US2000/013433 WO2000071645A1 (en) | 1999-05-25 | 2000-05-16 | Hydroconversion process for making lubricating oil basestocks |
Publications (2)
Publication Number | Publication Date |
---|---|
HK1050209A1 HK1050209A1 (en) | 2003-06-13 |
HK1050209B true HK1050209B (zh) | 2007-12-14 |
Family
ID=26981305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK03100468.0A HK1050209B (zh) | 1999-05-25 | 2003-01-17 | 用於製備潤滑油基本油料的加氫轉換方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6322692B1 (zh) |
EP (1) | EP1222239B1 (zh) |
JP (1) | JP5039257B2 (zh) |
KR (1) | KR100697486B1 (zh) |
AU (1) | AU767069B2 (zh) |
CA (1) | CA2374480C (zh) |
DE (1) | DE60029605T2 (zh) |
HK (1) | HK1050209B (zh) |
WO (1) | WO2000071645A1 (zh) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2798136B1 (fr) * | 1999-09-08 | 2001-11-16 | Total Raffinage Distribution | Nouvelle huile de base hydrocarbonee pour lubrifiants a indice de viscosite tres eleve |
AU2003219005A1 (en) * | 2002-03-06 | 2003-09-16 | Exxonmobil Chemical Patents Inc. | Improved hydrocarbon fluids |
US6846778B2 (en) * | 2002-10-08 | 2005-01-25 | Exxonmobil Research And Engineering Company | Synthetic isoparaffinic premium heavy lubricant base stock |
US7077947B2 (en) * | 2002-10-08 | 2006-07-18 | Exxonmobil Research And Engineering Company | Process for preparing basestocks having high VI using oxygenated dewaxing catalyst |
US7344631B2 (en) | 2002-10-08 | 2008-03-18 | Exxonmobil Research And Engineering Company | Oxygenate treatment of dewaxing catalyst for greater yield of dewaxed product |
US20040108250A1 (en) * | 2002-10-08 | 2004-06-10 | Murphy William J. | Integrated process for catalytic dewaxing |
US6951605B2 (en) * | 2002-10-08 | 2005-10-04 | Exxonmobil Research And Engineering Company | Method for making lube basestocks |
US7282137B2 (en) * | 2002-10-08 | 2007-10-16 | Exxonmobil Research And Engineering Company | Process for preparing basestocks having high VI |
US7125818B2 (en) * | 2002-10-08 | 2006-10-24 | Exxonmobil Research & Engineering Co. | Catalyst for wax isomerate yield enhancement by oxygenate pretreatment |
US20040108245A1 (en) * | 2002-10-08 | 2004-06-10 | Zhaozhong Jiang | Lube hydroisomerization system |
US7132042B2 (en) | 2002-10-08 | 2006-11-07 | Exxonmobil Research And Engineering Company | Production of fuels and lube oils from fischer-tropsch wax |
US7087152B2 (en) * | 2002-10-08 | 2006-08-08 | Exxonmobil Research And Engineering Company | Wax isomerate yield enhancement by oxygenate pretreatment of feed |
US20040129603A1 (en) * | 2002-10-08 | 2004-07-08 | Fyfe Kim Elizabeth | High viscosity-index base stocks, base oils and lubricant compositions and methods for their production and use |
US7704379B2 (en) * | 2002-10-08 | 2010-04-27 | Exxonmobil Research And Engineering Company | Dual catalyst system for hydroisomerization of Fischer-Tropsch wax and waxy raffinate |
US7220350B2 (en) * | 2002-10-08 | 2007-05-22 | Exxonmobil Research And Engineering Company | Wax isomerate yield enhancement by oxygenate pretreatment of catalyst |
AU2003277670A1 (en) * | 2002-11-12 | 2004-06-03 | Mitsui Chemicals, Inc. | Lubricating oil composition and internal combustion engine oil |
US20040154958A1 (en) * | 2002-12-11 | 2004-08-12 | Alexander Albert Gordon | Functional fluids having low brookfield viscosity using high viscosity-index base stocks, base oils and lubricant compositions, and methods for their production and use |
US20080029431A1 (en) * | 2002-12-11 | 2008-02-07 | Alexander Albert G | Functional fluids having low brookfield viscosity using high viscosity-index base stocks, base oils and lubricant compositions, and methods for their production and use |
US20040154957A1 (en) * | 2002-12-11 | 2004-08-12 | Keeney Angela J. | High viscosity index wide-temperature functional fluid compositions and methods for their making and use |
US20050284797A1 (en) * | 2004-06-25 | 2005-12-29 | Genetti William B | Integrated plant process to produce high molecular weight basestocks from fischer-tropsch wax |
US20080269091A1 (en) * | 2007-04-30 | 2008-10-30 | Devlin Mark T | Lubricating composition |
US8173009B2 (en) * | 2009-02-06 | 2012-05-08 | Uop Llc | Process for improving a hydrotreated stream |
RU2450045C1 (ru) * | 2010-09-29 | 2012-05-10 | Общество с ограниченной ответственностью "Инпрогресс" | Способ получения базовых масел с низким содержанием серы и экологически чистых ароматических наполнителей и пластификаторов каучука и резины |
US9359573B2 (en) * | 2012-08-06 | 2016-06-07 | Exxonmobil Research And Engineering Company | Migration of air release in lubricant base stocks |
US9359565B2 (en) | 2013-01-16 | 2016-06-07 | Exxonmobil Research And Engineering Company | Field enhanced separation of hydrocarbon fractions |
CN111073696B (zh) * | 2018-10-18 | 2022-03-01 | 中国海洋石油集团有限公司 | 降低大黏度润滑油基础油浊点的方法及该润滑油基础油 |
KR102213789B1 (ko) * | 2019-09-20 | 2021-02-08 | 에스케이이노베이션 주식회사 | 디젤 분획을 포함하는 공급원료로부터 윤활기유를 제조하는 방법, 및 이에 의해 제조되는 윤활기유 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3732154A (en) * | 1969-02-19 | 1973-05-08 | Sun Oil Co | Catalytic hydrofinishing of lube oil product of solvent extraction of petroleum distillate |
US4636299A (en) * | 1984-12-24 | 1987-01-13 | Standard Oil Company (Indiana) | Process for the manufacture of lubricating oils |
GB8518940D0 (en) * | 1985-07-26 | 1985-09-04 | Shell Int Research | Manufacture of lubricating base oils |
NO885605L (no) * | 1987-12-18 | 1989-06-19 | Exxon Research Engineering Co | Fremgangsmaate for fremstilling av smoereolje. |
US5110445A (en) * | 1990-06-28 | 1992-05-05 | Mobil Oil Corporation | Lubricant production process |
US5273645A (en) * | 1991-09-17 | 1993-12-28 | Amoco Corporation | Manufacture of lubricating oils |
AU715730B2 (en) * | 1995-11-14 | 2000-02-10 | Mobil Oil Corporation | Integrated lubricant upgrading process |
US5911874A (en) * | 1996-06-28 | 1999-06-15 | Exxon Research And Engineering Co. | Raffinate hydroconversion process |
US5976353A (en) * | 1996-06-28 | 1999-11-02 | Exxon Research And Engineering Co | Raffinate hydroconversion process (JHT-9601) |
US5935417A (en) * | 1996-12-17 | 1999-08-10 | Exxon Research And Engineering Co. | Hydroconversion process for making lubricating oil basestocks |
US6096189A (en) * | 1996-12-17 | 2000-08-01 | Exxon Research And Engineering Co. | Hydroconversion process for making lubricating oil basestocks |
-
2000
- 2000-03-21 US US09/532,377 patent/US6322692B1/en not_active Expired - Lifetime
- 2000-05-16 JP JP2000620027A patent/JP5039257B2/ja not_active Expired - Lifetime
- 2000-05-16 CA CA002374480A patent/CA2374480C/en not_active Expired - Fee Related
- 2000-05-16 KR KR1020017015060A patent/KR100697486B1/ko not_active IP Right Cessation
- 2000-05-16 EP EP00932484A patent/EP1222239B1/en not_active Expired - Lifetime
- 2000-05-16 WO PCT/US2000/013433 patent/WO2000071645A1/en active IP Right Grant
- 2000-05-16 AU AU50202/00A patent/AU767069B2/en not_active Ceased
- 2000-05-16 DE DE60029605T patent/DE60029605T2/de not_active Expired - Lifetime
-
2003
- 2003-01-17 HK HK03100468.0A patent/HK1050209B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JP2003500519A (ja) | 2003-01-07 |
AU5020200A (en) | 2000-12-12 |
AU767069B2 (en) | 2003-10-30 |
KR100697486B1 (ko) | 2007-03-20 |
CA2374480C (en) | 2009-07-14 |
EP1222239A1 (en) | 2002-07-17 |
DE60029605T2 (de) | 2007-07-26 |
EP1222239A4 (en) | 2003-08-27 |
EP1222239B1 (en) | 2006-07-26 |
WO2000071645A1 (en) | 2000-11-30 |
KR20020050757A (ko) | 2002-06-27 |
HK1050209A1 (en) | 2003-06-13 |
JP5039257B2 (ja) | 2012-10-03 |
DE60029605D1 (de) | 2006-09-07 |
US6322692B1 (en) | 2001-11-27 |
CA2374480A1 (en) | 2000-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
S146 | Correction of errors in patents and applications under section 146 of the patents ordinance |
Free format text: DELETION OF INVENTOR: JOSEPH PHILIP BOYLE, ANNE M. ZINICOLA, CHRISTOPHER JOHN MAY, JEENOK T. KIM, JOHN ALOYSIUS GROETSCH III, SYLVAIN HANTZER; ADDITION OF INVENTOR: ALWARD, SANDRA J.; BOATE, DOUGLAS R.; DEMMIN, RICHARDA.; RAVELLA, ALBERTO Effective date: 20081030 |
|
PC | Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee) |
Effective date: 20110516 |