Inventor

Louis L. Wood

Inventor

Rockville, MD, US

Overview

1976–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 86 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds23%

A61KPreparations for medical, dental or toiletry purposes15%

C11DDetergent compositions13%

A61QSpecific use of cosmetics or similar toiletry preparations9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

C02FTreatment of water, waste water, sewage, or sludge4%

C12NMicroorganisms or enzymes3%

A61LMethods or apparatus for sterilising materials or objects in general3%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations3%

C08JWorking-up3%

PatentTitleYear

10,744,202Sustained release eye drop formulations2020 9,993,558Sustained release eye drop formulations2018 9,814,773'Sustained release formulations for delivery of proteins to the eye and methods of preparing same'2017 9,737,606'Sustained release eye drop formulations'2017 9,474,736'Composition and method for treating dry eye syndrome'2016 9,289,428'Conveniently injectable or implantable sustained-release antioxidant formulations for therapies of ocular maladies or cancer'2016 9,144,566'Composition and method for treating dry eye syndrome'2015 9,011,915'Conveniently implantable sustained release drug compositions'2015 8,722,728'Composition and method for treating dry eye syndrome'2014 8,541,413'Sustained release eye drop formulations'2013 7,906,136'Conveniently implantable sustained release drug compositions'2011 7,223,417'Nutrient formulations'2007 6,180,127'Slow release insect repellents'2001 6,072,025'Salts of polyaspartic acid by high temperature reaction'2000 6,001,956'Copolymers of polyaspartic acid and polycarboxylic acids and polyamines'1999 5,869,027'Method for odor reduction'1999 5,833,972'Method for odor reduction'1998 5,817,300'Odor reducing compositions'1998 5,773,565'Salts of polyaspartic acid by high temperature reaction'1998 5,708,126'Process for the preparation of copolymers of polysuccinimides'1998 5,688,904'Polyaspartic acid catalysis'1997 5,688,907'Polymers of maleic acid with amines'1997 5,659,008'Copolymers of polyaspartic acid and polycarboxylic acids'1997 5,635,586'Polymers of maleic acid with amines'1997 5,610,264'Continuous process for polyaspartic acid synthesis'1997 5,610,267'Process for preparing polysuccinimide by high temperature reaction'1997 5,587,146'Method of preventing deposition of tartar on teeth'1996 5,552,518'Polymers of maleic acid with amines'1996 5,543,491'Copolymers of polysuccinimide and polycarboxylic acids'1996 5,540,863'Mixtures of polyamino acids and citrate'1996 5,527,863'Copolymers of polyaspartic acid and polycarboxylic acids and polyamines'1996 5,527,878'Amino acid copolymers of maleic acid'1996 5,521,279'Polymers of maleic acid with amines'1996 5,519,110'Polymers of maleic acid with amines'1996 5,510,427'Copolymers of polyaspartic acid'1996 5,510,426'Copolymers of polyaspartic acid'1996 5,502,117'Copolymers of polyaspartic acid'1996 5,496,914'Amino acid copolymers of maleic acid'1996 5,494,995'Copolymers of polysuccinimide and polycarboxylic acids and polyamines'1996 5,488,088'Process for the preparation of copolymers of polysuccinimide'1996 5,484,860'Process for the preparation of copolymers of polyaspartic acids'1996 5,466,760'Copolymers of polyaspartic acid'1995 5,442,038'Polymers of maleic acid with amines'1995 5,408,028'Copolymers of polyaspartic acid and polycarboxylic acids and polyamines'1995 5,391,642'Copolymers of polyaspartic acid'1995 5,389,303'Mixtures of polyamino acids and citrate'1995 5,367,047'Preparation of polyaspartic acid by high temperature reaction'1994 5,357,004'Copolymers of polyaspartic acid'1994 5,306,429'Copolymers of polyamino acids as scale inhibition agents'1994 5,292,864'Decolorizing polyaspartic acid polymers'1994 5,292,858'Method of production of copolymers of polyamino acids'1994 5,288,503'Cryogel oral pharmaceutical composition containing therapeutic agent'1994 5,288,783'Preparation of salt of polyaspartic acid by high temperature reaction'1994 5,286,810'Salt of polymer from maleic acid, polyamind and ammonia'1994 5,266,305'Copolymers of polyamino acids as tartar barrier agents'1993 5,260,066'Cryogel bandage containing therapeutic agent'1993 5,185,024'Application of agricultural polyammonium acrylate or polyacrylamide hydrogels'1993 4,732,851'Immobilization of cells with a polyazetidine prepolymer'1988 4,728,611'Production of phenylalanine with immobilized cells'1988 4,710,467'Process for preparing phenylalanine'1987 4,650,755'Immobilizing microbial cells with polyfunctional aziridines'1987 4,600,692'Immobilized cells for preparing phenylalanine'1986 4,436,813'Immobilized microbial cell composition for making L-aspartic acid'1984 4,381,332'Adhesive and resulting nonwoven fabric'1983 4,367,259'Sound deadening material'1983 4,365,025'Flexible polyurethane foams from polymethylene polyphenyl isocyanate containing prepolymers'1982 4,342,834'Enzymes bound to polyurethane'1982 4,312,946'Preparation and use of enzymes bound to polyurethane'1982 4,309,509'Odorant hydrophilic foam compositions'1982 4,297,482'Chain-extended polyol compositions and method'1981 4,292,412'Hydrophilic, fabric softener foam compositions and method of making'1981 4,273,913'Isocyanate capped urethane-containing prepolymer prepared from polyols obtained from epihalohydrin'1981 4,246,146'Fire retardant coating system utilizing polyurethane hydrogel'1981 4,241,537'Plant growth media utilizing polyurethane hydrogel'1980 4,211,847'Polyurethane foams and foam forming compositions containing amine scavengers'1980 4,201,846'Dimensionally stable polyurethane foam'1980 4,158,087'Urethane foams having low resiliency'1979 4,156,592'Expandable fabric softener-containing article and use thereof'1979 4,137,200'Crosslinked hydrophilic foams and method'1979 4,127,516'Hydrophilic polyurethane foams with good wet strength'1978 RE029711'Polyureas and preparation thereof'1978 4,088,132'Hydrophilic polyurethane foams for use in catamenial devices'1978 4,066,578'Heavily loaded flame retardant urethane and method'1978 4,016,101'Process and composition for breaking emulsions'1977 3,993,615'Process and composition for breaking emulsions'1976 3,993,549'Curable solid adducts of polyene-polythiol compositions with urea'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1983Patents assigned to GRACE W R & CO (22)· patent assignee history

1976–2007Based in Rockville, MD, US· patent location history

1993–1997Patents assigned to SRCHEM INC (18)· patent assignee history

1994Based in Elkridge, MD, US· patent location history

1995–2000Patents assigned to BAYER AG (15)· patent assignee history

1996–1998Patents assigned to CALWOOD CHEM IND INC (9)· patent assignee history

2011–2020Patents assigned to RAMSCOR INC (11)· patent assignee history

2011–2020Based in Potomac, MD, US· patent location history

2018Based in Potomic, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
GRACE W R & CO	22	1976–1983
SRCHEM INC	18	1993–1997
BAYER AG	15	1995–2000
RAMSCOR INC	11	2011–2020
CALWOOD CHEM IND INC	9	1996–1998

Locations

Location	Patents	Span
Rockville, Maryland, US	74	1976–2007
Potomac, Maryland, US	10	2011–2020
Potomic, Maryland, US	1	2018
Elkridge, Maryland, US	1	1994