Woltersdorf, Jr.; Otto W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Woltersdorf, Jr.; Otto W..The latest application filed is for "((5,6-dichloro-3-oxo-9,9a-d isubstituted-2,3,9,9a-tetrahydrofluoren-7-yl)oxy)alkanoic acids and alkanimidamides".

Company Profile

0.45.0

Woltersdorf, Jr.; Otto W. - Chalfont PA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
((5,6-dichloro-3-oxo-9,9a-d isubstituted-2,3,9,9a-tetrahydrofluoren-7-yl)oxy)alkanoic acids and alkanimidamides Grant 4,797,391 - Woltersdorf, Jr. , et al. January 10, 1	1989-01-10
(1,2-dichloro-8-oxo-5a-substituted-5a,6,7,8 -tetrahydrodibenzofuran-3-yl)alkanoic acids and alkanimidamides Grant 4,769,370 - Woltersdorf, Jr. , et al. September 6, 1	1988-09-06
Substituted (2,3-dihydro-1-oxo-1H-inden-5-yl)alkanoic acids, their derivatives and their salts Grant 4,754,061 - Cragoe, Jr. , et al. June 28, 1	1988-06-28
Compounds useful in treating sickle cell anemia Grant 4,751,244 - Abraham , et al. June 14, 1	1988-06-14
(5,6-dichloro-3-oxo-2,3,9,9a-tetrahydrofluoren-7-yl)-alkanoic acids and alkanimidamides bearing novel functional 9a-substituents Grant 4,731,471 - Cragoe, Jr. , et al. March 15, 1	1988-03-15
Method of treating a person for sickle cell anemia Grant 4,731,381 - Abraham , et al. March 15, 1	1988-03-15
Compounds useful in treating sickle cell anemia Grant 4,731,473 - Abraham , et al. March 15, 1	1988-03-15
(5,6-dichloro-3-oxo-9A-propyl-2,3,9,9A-tetrahydrofluoren-7-yl)alkanoic acids and alkanimidamides Grant 4,731,472 - Pietruszkiewicz , et al. March 15, 1	1988-03-15
[(5,6-dichloro-3-oxo-2,9a-alkano-2,3,9,9a-tetrahydro-1H-fluoren-7-yl)oxy] alkanoic acids and alkanimidamides Grant 4,731,470 - Pietruszkiewicz , et al. March 15, 1	1988-03-15
Substituted-3- (2,3-dihydro-1H-inden-5-yl)-4-hydroxy-1H-pyrrole-2,5-diones, useful for treating persons with gray matter edema Grant 4,634,717 - Cragoe, Jr. , et al. January 6, 1	1987-01-06
Substituted (2,3-dihydro-4-(3-oxo-1-cyclohexen-1-yl)phenoxy) alkanoic acids, their derivatives and their salts Grant 4,625,047 - Cragoe, Jr. , et al. November 25, 1	1986-11-25
Use of substituted-3-(2,3-dihydro-1H-inden-5-yl)-4-hydroxy-1H-pyrrole-2,5-dione s, for treatment of grey matter edema Grant 4,605,663 - Cragoe, Jr. , et al. August 12, 1	1986-08-12
[(2,3,9,9a-tetrahydro-3-oxo-9a-substituted-1H-fluoren-7-yl)oxy]ethanimida mides and [(2,3,9,9a-tetrahydro-3-oxo-9a-substituted-1H-fluoren-7-yl)oxy]ethanimid ic acid hydrazides, their derivatives and their salts Grant 4,604,396 - Cragoe, Jr. , et al. August 5, 1	1986-08-05
Treatment of gray matter edema with 3-(2,3-dihydro-1H-inden-5-yl)-4-hydroxy-1H-pyrrole-2,5-diones Grant 4,596,821 - Cragoe, Jr. , et al. June 24, 1	1986-06-24
5-Benzothiazolesulfonamide derivatives for the topical treatment of elevated intraocular pressure Grant 4,426,388 - Woltersdorf, Jr. * January 17, 1	1984-01-17
Benzothiazolesulfonamide derivatives for the topical treatment of elevated intraocular pressure Grant 4,416,890 - Woltersdorf, Jr. November 22, 1	1983-11-22
2,3-Dihydro-6,7-disubstituted-5-(acyl)benzofuran-2-carboxylic acids Grant 4,296,122 - Cragoe, Jr. , et al. October 20, 1	1981-10-20
3-Amino-5-substituted-6-halo-N-(4,4-disubs tituted-6-substituted-1,3,5-triazin-2-yl)-2-pyrazinecarboxamides Grant 4,272,537 - Woltersdorf, Jr. , et al. June 9, 1	1981-06-09
Indanacetic acid compounds Grant 4,249,021 - Cragoe, Jr. , et al. February 3, 1	1981-02-03
Heterocyclic substituted pyrazinoylguanidines Grant 4,246,406 - Cragoe, Jr. , et al. January 20, 1	1981-01-20
3,3-Substituted spiro-1,2,4-benzothiadiazines Grant 4,226,867 - Cragoe, Jr. , et al. October 7, 1	1980-10-07
N-Pyrazinecarbonyl-N'-alkoxycarbonyl and N',N"-bis(alkoxycarbonyl)guanidines and processes for preparing same Grant 4,208,413 - Cragoe, Jr. , et al. June 17, 1	1980-06-17
6-Substituted amiloride derivatives Grant 4,196,292 - Woltersdorf, Jr. , et al. April 1, 1	1980-04-01
2,3-Dihydro-5-thienylmethyl and furylmethyl-6-substituted and 6,7-disubstituted-benzofuran-2-carboxylic acid Grant 4,189,496 - Cragoe, Jr. , et al. * February 19, 1	1980-02-19
Tetrazole derivatives of [1-oxo-2-aryl or thienyl-2-substituted-5-indanyloxy(or thio)]alkanoic acids Grant 4,182,764 - Cragoe, Jr. , et al. January 8, 1	1980-01-08
2,3-Dihydro-6,7-disubstituted-5-acyl benzofuran-2-carboxylic acids Grant 4,181,727 - Cragoe, Jr. , et al. January 1, 1	1980-01-01
[1-Oxo-2-thienyl-2-substituted-5-indanyloxy (or thio)]alkanoic acids and derivatives thereof Grant 4,177,285 - Cragoe, Jr. , et al. December 4, 1	1979-12-04
Certain 5-substituted or unsubstituted phenyl or furyl benzofuran 2-carboxylic acids Grant 4,154,742 - Cragoe, Jr. , et al. May 15, 1	1979-05-15
N-pyrazinecarbonyl-N'-acylguanidines Grant 4,140,776 - Cragoe, Jr. , et al. February 20, 1	1979-02-20
2,3-Dihydro-6,7-disubstituted-5-acyl benzofuran-2-carboxylic acids Grant 4,087,542 - Cragoe, Jr. , et al. May 2, 1	1978-05-02
6,7-Disubstituted-5-(acyl)benzofuran-2-carboxylic acids Grant 4,085,117 - Cragoe, Jr. , et al. April 18, 1	1978-04-18
1-Oxo-2,2-disubstituted-5-indanyloxy(or thio)alkanoic acids Grant 4,085,219 - Cragoe, Jr. , et al. April 18, 1	1978-04-18
Pyrazinecarboxamides and processes for preparing same Grant 4,085,211 - Cragoe, Jr. , et al. April 18, 1	1978-04-18
1-Oxo-2,2-disubstituted-5-indanyloxy(or thio)alkano acids Grant 4,081,554 - Cragoe, Jr. , et al. March 28, 1	1978-03-28
[1-Oxo-2-halo(or hydrogen) indanyloxy]-alkanoic acid Grant 4,070,539 - Cragoe, Jr. , et al. January 24, 1	1978-01-24
[1,3-Dihydroxy-2-substituted and 2,2-disubstituted-indanyloxy(or thio)]alkanoic acids Grant 4,006,180 - Cragoe, Jr. , et al. February 1, 1	1977-02-01
6-Oxo-7-substituted and 7,7-disubstituted-6H-indeno-[5,4-b]furan (and thiophene) carboxylic acids Grant 3,984,552 - Cragoe, Jr. , et al. October 5, 1	1976-10-05
[1,3-Dioxo-2-substituted and 2,2-disubstituted- indanyloxy (or thio] alkanoic acids Grant 3,976,681 - Cragoe, Jr. , et al. August 24, 1	1976-08-24
[1-Oxo-2,3-hydrocarbylene-5-indanyloxy(or thio)]alkanoic acids Grant 3,976,686 - Cragoe, Jr. , et al. August 24, 1	1976-08-24
[1-Hydroximino-2,2-disubstituted-5-indanyloxy-(or thio)]alkanoic acids Grant 3,974,212 - Cragoe, Jr. , et al. August 10, 1	1976-08-10
Pharmaceutical compositions and method of treatment employing 1,3-dioxo-2,2-disubstituted indanyloxy alkanoic acids Grant 3,966,966 - Cragoe, Jr. , et al. June 29, 1	1976-06-29
6-Oxo-7-substituted-6H-indeno-[5,4-b]furan(and thiophene)-carboxylic acids Grant 3,931,239 - Cragoe, Jr. , et al. January 6, 1	1976-01-06
Indanacetic acid compounds Grant 3,929,872 - Cragoe, Jr. , et al. December 30, 1	1975-12-30
5-Oxo-6-substituted-cyclopent-[f]-indole-2-carboxylic acids Grant 3,914,253 - Cragoe, Jr. , et al. October 21, 1	1975-10-21
Aryl-oxo-alkanoic acids Grant 3,894,065 - Cragoe, Jr. , et al. July 8, 1	1975-07-08

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.