Peter Dilling — 40 Patents at Westvaco

Peter Dilling has been granted 40 US patents while listed as an inventor at Westvaco. The first was granted in 1980 and the most recent in November 1999. Peter Dilling ranks #78,057 of 4,157,543 US inventors in our database (top 1.9%). Patent records list Peter Dilling in Charleston, SC, US.

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5989299	Mixtures of amine modified lignin with sulfonated lignin for disperse dye	Gamini S. Samaranayake	1999-11-23	$28,415,000
5980589	High activity sulfonated lignin dye dispersants	Sallie B. Huguenin	1999-11-09	$28,849,000
5972047	Amine modified sulfonated lignin for disperse dye	Gamini S. Samaranayake, Staci L. Waldrop	1999-10-26	$12,952,000
5755830	Method of preparing high activity sulfonated lignin dye dispersants	Sallie B. Huguenin	1998-05-26	$6,526,000
5749926	Method of preparing high activity sulfonated lignin dye dispersants	Sallie B. Huguenin	1998-05-12	$14,658,000
5049661	Sulfonation of lignins	—	1991-09-17	$15,265,000
5043433	Oleum sulfonation of lignins	—	1991-08-27	$4,098,000
5043432	Sulfonation of lignins	—	1991-08-27	$4,098,000
5043434	Oleum sulfonation of lignins	—	1991-08-27	$4,098,000
5013825	Sulfation of lignin	—	1991-05-07	$6,256,000
4892587	Lignosulfonate additive-containing carbon black compositions	Gerald Prazak, Catherine C. Cashman	1990-01-09	$3,626,000
4892588	Production of lignosulfonate additives	Vaughn R. Loeffler, Gerald Prazak, Karin U. Thomas	1990-01-09	$3,626,000
4891070	Lignin amine salt as binder for aqueous printing ink composition	Mitchell S. Dimitri	1990-01-02	$8,608,000
4797157	Amine salts of lignosulfonates	Humbert Thomas Dellicolli, James E. Davis	1989-01-10	$10,862,000
4764597	Method for methylolation of lignin materials	—	1988-08-16	$4,396,000
4751247	Amine salts of lignosulfonates	Humbert Thomas Dellicolli, James E. Davis	1988-06-14	$15,151,000
4748235	Method of producing improved amine salts of lignosulfonates	Susan L. Schlegel	1988-05-31	$13,980,000
4743268	Dispersant composition for azo dyestuffs contaminated with soluble copper impurities	—	1988-05-10	$6,664,000
4740590	Method for preparing low electrolyte sodium lignosulfonates	—	1988-04-26	$4,667,000
4740591	Lignin by-products of paper-making process	Mitchell S. Dimitri	1988-04-26	$4,667,000
4732572	Amine salts of sulfomethylated lignin	—	1988-03-22	$13,557,000
4721778	Ammonium lignosulfonates	—	1988-01-26	$14,237,000
4715864	Lignosulfonate salts for use as dyestuff additives	Susan L. Schlegel	1987-12-29	$13,993,000
4670482	Ammonium lignosulfonates	—	1987-06-02	$5,566,000
4642336	Ammonium lignosulfonates	—	1987-02-10	$12,017,000

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Peter Dilling — 40 Patents

Issued Patents All Time

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