Louis D. Rollmann has been granted 26 US patents while listed as an inventor at ExxonMobil . The first was granted in 1980 and the most recent in July 2002. Louis D. Rollmann ranks #150,017 of 4,157,543 US inventors in our database (top 3.6%). Patent records list Louis D. Rollmann in Princeton, NJ, US.
Patents per Year Patents granted per year, 1980 to 2002 Bar chart with a peak of 6 patents in 1980. peak 6 1980: 6 patents 1980 1981: 4 patents 1982: 4 patents 1982 1983: 3 patents 1984: 1 patents 1984 1985: 2 patents 1987: 1 patents 1987 1988: 1 patents 1999: 1 patents 1999 2001: 2 patents 2002: 1 patents 2002
Issued Patents All Time
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Showing 1–25 of 26 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
6419891 Synthetic crystalline MCM-69, its synthesis and use Carrie L. Kennedy , Gordon J. Kennedy , Stephen L. Lawton , John L. Schlenker 2002-07-16
$171,024,000
6306362 Aluminosilicate molecular sieve Scott Han , David O. Marler , John L. Schlenker , Suzanne E. Schramm , Jeffrey S. Beck 2001-10-23
$280,839,000
6277355 Synthesis of ZSM-5 and ZSM-11 Carrie L. Kennedy , John L. Schlenker 2001-08-21
$368,369,000
5961951 Synthesis ZSM-48 Carrie L. Kennedy , John L. Schlenker 1999-10-05
$179,349,000
4785883 Polysilicate esters for oil reservoir permeability control Dennis H. Hoskin 1988-11-22
$5,810,000
4660640 Polysilicate esters for oil reservoir permeability control Dennis H. Hoskin 1987-04-28
$11,558,000
4536282 Upgrading heavy crude oils to lighter products with a dispersed zeolite — 1985-08-20
$5,560,000
4495166 Synthesis of ZSM-5 utilizing a mixture of quaternary ammonium ions and amines Robert B. Calvert 1985-01-22
$8,072,000
4431746 Preparing metal-exchanged highly siliceous porous crystalline materials — 1984-02-14
$7,172,000
4423021 Method of preparing silico-crystal ZSM-48 Ernest W. Valyocsik 1983-12-27
$8,050,000
4379489 Method for production of heavy oil from tar sands — 1983-04-12
$14,570,000
4374093 Continuous-stream upflow zeolite crystallization apparatus Ernest W. Valyocsik 1983-02-15
$6,697,000
4359595 Selective production of olefins — 1982-11-16
$11,821,000
4354870 Metals beneficiation process Theodore P. Goldstein 1982-10-19
$7,125,000
4338288 Sorbent for removing metals from fluids — 1982-07-06
$9,655,000
4324651 Deasphalting process Dennis E. Walsh 1982-04-13
$9,615,000
4300011 Selective production of aromatics — 1981-11-10
$11,093,000
4296083 Zeolite synthesis — 1981-10-20
$13,778,000
4272357 Desulfurization and demetalation of heavy charge stocks — 1981-06-09
$35,999,000
4263126 Preparation and use of reactive dispersions — 1981-04-21
$26,202,000
4233138 Process for the visbreaking of high-metals crudes and resids Dennis E. Walsh 1980-11-11
$155,121,000
4222897 Sorbent for removing metals from fluids — 1980-09-16
$47,789,000
4205052 Manufacture of synthetic mordenite Ernest W. Valyocsik 1980-05-27
$30,654,000
4205053 Manufacture of nitrogenous zeolites Ernest W. Valyocsik 1980-05-27
$30,654,000
4203869 ZSM-5 Containing aluminum-free shells on its surface — 1980-05-20
$71,652,000
