Inventor

Louis D. Rollmann

Inventor

Princeton, NJ, US

Overview

38→

Patents

1976–2002

Patent span

Chemistry

Primary field (CPC C)

Patents· 38 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C01Bprimary

C01BNon-metallic elements24%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry22%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%

C10GCracking hydrocarbon oils11%

C07CAcyclic or carbocyclic compounds9%

C02FTreatment of water, waste water, sewage, or sludge3%

C09KMaterials for miscellaneous applications, not provided for elsewhere3%

C22BProduction and refining of metals3%

Y02PClimate change mitigation technologies in the production or processing of goods3%

B01DSeparation1%

PatentTitleYear

6,419,891'Synthetic crystalline MCM-69, its synthesis and use'2002 6,306,362'Aluminosilicate molecular sieve'2001 6,277,355'Synthesis of ZSM-5 and ZSM-11'2001 5,961,951'Synthesis ZSM-48'1999 5,536,391'Production of clean distillate fuels from heavy cycle oils'1996 5,498,812'Two-stage process for producing diamondoid hydrocarbons'1996 5,302,769'Process for making alkylated polycyclic aromatics'1994 4,785,883'Polysilicate esters for oil reservoir permeability control'1988 4,660,640'Polysilicate esters for oil reservoir permeability control'1987 4,590,996'Use of polyalkoxy sulfonate surfactants for inhibition of scale formation'1986 4,536,282'Upgrading heavy crude oils to lighter products with a dispersed zeolite'1985 4,495,166'Synthesis of ZSM-5 utilizing a mixture of quaternary ammonium ions and amines'1985 4,431,746'Preparing metal-exchanged highly siliceous porous crystalline materials'1984 4,423,021'Method of preparing silico-crystal ZSM-48'1983 4,379,489'Method for production of heavy oil from tar sands'1983 4,374,093'Continuous-stream upflow zeolite crystallization apparatus'1983 4,359,595'Selective production of olefins'1982 4,354,870'Metals beneficiation process'1982 4,338,288'Sorbent for removing metals from fluids'1982 4,324,651'Deasphalting process'1982 4,300,011'Selective production of aromatics'1981 4,296,083'Zeolite synthesis'1981 4,272,357'Desulfurization and demetalation of heavy charge stocks'1981 4,263,126'Preparation and use of reactive dispersions'1981 4,233,138'Process for the visbreaking of high-metals crudes and resids'1980 4,222,897'Sorbent for removing metals from fluids'1980 4,205,052'Manufacture of synthetic mordenite'1980 4,205,053'Manufacture of nitrogenous zeolites'1980 4,203,830'Visbreaking process for demetalation and desulfurization of heavy oil'1980 4,203,869'ZSM-5 Containing aluminum-free shells on its surface'1980 4,148,713'ZSM-5 particle containing aluminum-free shells on its surface'1979 4,146,584'Catalytic conversion with ZSM-35'1979 4,139,600'Synthesis of zeolite ZSM-5'1979 4,108,881'Synthesis of zeolite ZSM-11'1978 4,107,195'Preparation of zeolite ZSM-35'1978 4,088,605'ZSM-5 containing aluminum-free shells on its surface'1978 4,061,717'Directed crystallization of synthetic aluminosilicates'1977 3,939,246'Manufacture of crystalline aluminosilicate zeolites'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1999Patents assigned to MOBIL OIL CORP (30)· patent assignee history

1976–1987Based in Princeton, NJ, US· patent location history

1980Patents assigned to MOBIL CORP (4)· patent assignee history

1988Based in Dallas, TX, US· patent location history

1994–2002Based in Moorestown, NJ, US· patent location history

1996–2001Based in Morrestown, NJ, US· patent location history

2001–2002Patents assigned to EXXONMOBIL OIL CORP (2)· patent assignee history

2001Patents assigned to EXXONMOBIL CHEM PATENTS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MOBIL OIL CORP	30	1976–1999
MOBIL CORP	4	1980
EXXONMOBIL OIL CORP	2	2001–2002
EXXONMOBIL CHEM PATENTS INC	1	2001

Locations

Location	Patents	Span
Princeton, New Jersey, US	30	1976–1987
Moorestown, New Jersey, US	5	1994–2002
Morrestown, New Jersey, US	2	1996–2001
Dallas, Texas, US	1	1988