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Inventor

Francis G. Fang

Inventor
Andover, MA, US

Overview

58→
Patents
1994–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 58 as inventor

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

C07Dprimary
C07DHeterocyclic compounds29%
Y02PClimate change mitigation technologies in the production or processing of goods15%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium15%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations13%
C07CAcyclic or carbocyclic compounds9%
A61KPreparations for medical, dental or toiletry purposes8%
C07HSugars5%
C07BGeneral methods of organic chemistry4%
Y02ATechnologies for adaptation to climate change1%
C07JSteroids1%
PatentTitleYear
10,836,784Substituted phosphorodiamidate morpholino oligomers202010,821,113Salt form of a human histone methyltransferase EZH2 inhibitor202010,793,581Stereochemically defined polypropionates and methods for making and using the same202010,717,743Intermediates and methods for the synthesis of halichondrin B analogs202010,676,481Intermediates in the synthesis of eribulin and related methods of synthesis202010,611,773Macrocyclization reactions and intermediates and other fragments useful in the synthesis of analogs of halichondrin B2020RE047797Intermediates for the preparation of analogs of halichondrin B202010,494,388Compounds useful in the synthesis of halichondrin B analogs201910,457,698Chiral reagents for preparation of substituted phosphorodiamidate morpholino oligomers201910,407,439Stereochemically defined polypropionates and methods for making and using the same201910,308,661Macrocyclization reactions and intermediates and other fragments useful in the synthesis of halichondrin macrolides201910,245,269Salt form of a human histone methyltransferase EZH2 inhibitor201910,221,189Macrocyclization reactions and intermediates useful in the synthesis of analogs of halichondrin B201910,214,539Intermediates and methods for the synthesis of halichondrin B analogs201910,160,768Stereochemically defined polypropionates and methods for making and using the same2018RE046965Intermediates for the preparation of analogs of Halichondrin B20189,856,276'Compounds useful in the synthesis of halichondrin B analogs'20189,802,953'Intermediates and methods for the synthesis of halichondrin B analogs'20179,783,549'Macrocyclization reactions and intermediates useful in the synthesis of analogs of halichondrin B'20179,604,993'Intermediates and methods for the synthesis of halichondrin B analogs'20179,382,262'Compounds useful in the synthesis of halichondrin B analogs'20169,227,942'Method for producing 5-(difluoromethyl)pyrazine-2-carboxylic acid and production intermediate thereof'20168,987,479'Intermediates and methods for the synthesis of halichondrin B analogs'20158,975,422'Intermediates for the preparation of analogs of halichondrin B'20158,962,857'Compounds for preparing immunological adjuvant'20158,927,597'Compounds useful in the synthesis of halichondrin B analogs'2015RE045324'Intermediates for the preparation of analogs of halichondrin B'20158,884,031'Intermediates for the preparation of analogs of halichondrin B'20148,754,236'Compounds for preparing immunological adjuvant'20148,618,313'Intermediates for the preparation of analogs of Halichondrin B'20138,519,170'Compounds for preparing immunological adjuvant'20138,507,696'Intermediates in the synthesis zearalenone macrolide analogs'20138,445,701'Intermediates for the preparation of analogs of halichondrin B'20138,350,059'Intermediates and methods for making zearalenone macrolide analogs'20138,350,067'Compounds useful in the synthesis of halichondrin B analogs'20138,203,010'Compounds useful in the synthesis of halichondrin B analogs'20128,198,474'Compounds for preparing immunological adjuvant'20128,049,023'Reagents and methods for the beta-keto amide synthesis of a synthetic precursor to immunological adjuvant E6020'20117,985,746'Imidazoazepinone compounds'20117,982,060'Intermediates for the preparation of analogs of Halichondrin B'20117,919,643'Reagents and methods for the beta-keto amide synthesis of a synthetic precursor to immunological adjuvant E6020'20117,683,200'Compounds for preparing immunological adjuvant'20107,585,976'Hemiasterlin derivatives and uses thereof'20096,821,982'Preparation of a camptothecin derivative by intramolecular cyclisation'20046,716,982'Method for preparing camptothecin derivatives'20046,559,309'Preparation of a camptothecin derivative by intramolecular cyclisation'20036,462,196'Preparation of a camptothecin derivative by intramolecular cyclization'20026,284,891'Method for preparing camptothecin derivatives'20016,143,891'Method for preparing camptothecin derivatives'20006,063,923'Preparation of a camptothecin derivative by intramolecular cyclisation'20005,840,898'Method of removing heavy metal contaminants from organic compounds'19985,541,322'Synthesis of 6-azaandrostenones'19965,491,237'Intermediates in pharmaceutical camptothecin preparation'19965,457,098'17 .beta.acyl 6 azaandrost-4,6 diazo-4-ene-3-ones'19955,436,238'Halichondrins and related compounds'19955,426,196'Synthesis of diaryl methanes'19955,338,865'Synthesis of halichondrin B and norhalichondrin B'19945,302,589'Heterocyclic inhibitors of 5-.alpha.-testosterone reductase'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2004Based in Durham, NC, US· patent location history
1996–2000Patents assigned to GLAXO WELLCOME INC (5)· patent assignee history
2000–2020Based in Andover, MA, US· patent location history
2010–2020Patents assigned to EISAI R&D MAN CO LTD (42)· patent assignee history
2012–2015Patents assigned to FANG FRANCIS G (11)· patent assignee history
2012–2015Patents assigned to CHASE CHARLES E (6)· patent assignee history
2012–2015Patents assigned to ENDO ATSUSHI (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EISAI R&D MAN CO LTD422010–2020
FANG FRANCIS Gself112012–2015
CHASE CHARLES E62012–2015
GLAXO WELLCOME INC51996–2000
ENDO ATSUSHI42012–2015
Locations
LocationPatentsSpan
Andover, Massachusetts, US462000–2020
Durham, NC, US121994–2004