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Michael E. Brennan — 29 Patents

Chevron: 27 patents #122 of 4,788Top 3%

ATArco Chemical Technology: 2 patents #119 of 285Top 45%

Austin, TX: #1,056 of 18,064 inventorsTop 6%

Texas: #4,128 of 125,132 inventorsTop 4%

Overall (All Time): #127,851 of 4,157,543Top 4%

29 Patents All Time

Michael E. Brennan has been granted 29 US patents while listed as an inventor at Chevron. The first was granted in 1981 and the most recent in December 1989. Michael E. Brennan ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list Michael E. Brennan in Austin, TX, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4885390	Alkoxylated ethylene glycol diamine bottoms products for rigid urethane foams	George P. Speranza, Jiang-Jen Lin	1989-12-05	$11,117,000
4820810	Urea catalyst for preparation of sucrose polyols useful for rigid polyurethane foams	Howard P. Klein	1989-04-11	$8,339,000
4681965	Phosphorus containing aromatic amino polyols	George P. Speranza, Robert A. Grigsby, Jr.	1987-07-21	$19,475,000
4654376	Polyurethane foams based on amino polyols	Kenneth G. McDaniel, Howard P. Klein	1987-03-31	$14,297,000
4602085	Catalytic process for the production of hydroxyamine derivatives of alpha methyl glucoside	Roger G. Duranleau	1986-07-22	$10,543,000
4602091	Production of ethylenediamine and N-aminoethylpiperazine from piperazine	—	1986-07-22	$10,543,000
4547591	Preparation of linear polyethylenepolyamines with silica-alumina catalysts	James H. Templeton, Ernest L. Yeakey	1985-10-15	$6,410,000
4536522	Manufacture of polyols and rigid polyurethane foam using thiodialkylene glycols	Robert A. Grigsby, Jr., George P. Speranza, Ernest L. Yeakey	1985-08-20	$5,309,000
4506090	Aromatic polyols made from polyethylene terephthalate scrap, glycols and aromatic carbonyl-containing compounds	George P. Speranza	1985-03-19	$7,784,000
4500655	Alkoxylated modified Mannich condensates and manufacture of rigid polyurethane foams therewith	—	1985-02-19	$11,462,000
4489178	Mannich condensates having fire retardancy properties and manufacture of rigid polyurethane foam therewith	George P. Speranza	1984-12-18	$10,679,000
4487852	Modified Mannich condensates and manufacture of rigid polyurethane foam with alkoxylation products thereof	George P. Speranza	1984-12-11	$5,543,000
4485196	Liquid phase polyols which are alkylene oxide adducts of terephthalic esters from recycled polyethylene terephthalate	George P. Speranza, Robert A. Grigsby, Jr.	1984-11-27	$11,791,000
4485195	Alkoxylated Mannich condensates having fire retardancy properties and manufacture of rigid polyurethane foam therewith	George P. Speranza	1984-11-27	$11,791,000
4469824	Liquid terephthalic ester polyols and polyisocyanurate foams therefrom	Robert A. Grigsby, Jr., George P. Speranza	1984-09-04	$6,932,000
4469823	Flexible polyurethane foams made using an aromatic polyester polyol	Ernest L. Yeakey, Robert L. Zimmerman	1984-09-04	$6,932,000
4465793	Aromatic polyester polycarbonate polyols derived from polyethylene terephthalate residues	George P. Speranza	1984-08-14	$8,322,000
4448997	Preparation of linear polyethylenepolyamines with an aluminum phosphate catalyst	—	1984-05-15	$12,766,000
4444918	Aromatic polyols made from waste streams from the manufacture of terephthalic acids, alkylene glycols and dibasic acids	—	1984-04-24	$5,404,000
4444919	Use of polyethylene terephthalate liquid waste streams containing glycols as rigid polyol extenders	—	1984-04-24	$5,404,000
4444920	Aromatic polyols made from alkylene glycols and waste streams from the manufacture of dimethyl terephthalate containing methyl p-formylbenzoate	—	1984-04-24	$5,404,000
4439550	Aromatic polyols made from recycled polyethylene terephthalate waste streams, alkylene glycol and dibasic acid waste streams	—	1984-03-27	$6,388,000
4439549	Novel aromatic polyester polyol mixtures made from polyethylene terephthalate residues and alkylene oxides	—	1984-03-27	$6,388,000
4439546	Scrap rim polyurethane modified extender polyols	Doris M. Rice	1984-03-27	$6,388,000
4439551	Packaging foam polyurethane composition employing novel polyol blend	Ernest L. Yeakey, Michael Cuscurida	1984-03-27	$6,388,000