Patents by Inventor Norman A. Nelson

Norman A. Nelson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 3980692
    Abstract: 5-Oxa-prostaglandin-type compounds and processes for making them. These compounds are useful for a variety of pharmacological purposes, including anti-ulcer, inhibition of platelet aggregation, increase of nasal patency, and labor inducement at term.
    Type: Grant
    Filed: December 6, 1974
    Date of Patent: September 14, 1976
    Assignee: The Upjohn Company
    Inventor: Norman A. Nelson
  • Patent number: 3968144
    Abstract: 5-Oxa-11-deoxy phenyl- and phenoxy-substituted prostaglandin type compounds and processes for making them. These compounds are useful for a variety of pharmacological purposes, including anti-ulcer, inhibition of platelet aggregation, increase of nasal patency, labor inducement at term, and wound healing.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: July 6, 1976
    Assignee: The Upjohn Company
    Inventor: Norman A. Nelson
  • Patent number: 3966795
    Abstract: 5-oxa-11-deoxyphenyl- and phenoxy-substituted prostaglandin- type compounds and processes for making them. These compounds are useful for a variety of pharmacological purposes, including inhibition of platelet aggregation, increase of nasal patency, and labor inducement at term.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: June 29, 1976
    Assignee: The Upjohn Company
    Inventor: Norman A. Nelson
  • Patent number: 3944593
    Abstract: This invention is a group of 3-oxa PGE-type compounds, and processes for making them. These compounds are useful for a variety of pharmacological purposes, including antiulcer, inhibition and platelet aggregation, increase of nasal patency, labor inducement at term, and wound healing.
    Type: Grant
    Filed: April 17, 1974
    Date of Patent: March 16, 1976
    Assignee: The Upjohn Company
    Inventor: Norman A. Nelson
  • Patent number: 3944595
    Abstract: This invention is a group of PGF.sub.1.sub..alpha. -type oxaphenylene compounds, and processes for making them. These compounds are useful for a variety of pharamcological purposes, including inhibition of platelet aggregation, treatment of asthma, labor inducement at term, and cervical dilation.
    Type: Grant
    Filed: July 18, 1974
    Date of Patent: March 16, 1976
    Assignee: The Upjohn Company
    Inventor: Norman A. Nelson
  • Patent number: 3936487
    Abstract: This invention is a group of 3- and 4-oxa PG type compounds, and processes for making them. These compounds are useful for a variety of pharmacological purposes, including anti-ulcer, inhibition of platelet aggregation, increase of nasal patency, labor inducement at term, and wound healing.
    Type: Grant
    Filed: April 17, 1974
    Date of Patent: February 3, 1976
    Assignee: The Upjohn Company
    Inventor: Norman A. Nelson
  • Patent number: 3934658
    Abstract: A modular underwater well platform system comprising a plurality of modular units which are assembled and connected to the underwater floor based on results obtained as drilling of wells progresses and which allows flexibility in the positioning, size, and location of the platform while reducing the expense and time required for manufacturing and construction of the platform. A first guide base is provided connected to the underwater floor by the initial exploratory well pipe and the base includes a plurality of connecting and supporting frames directed outwardly in various directions and having interconnecting elements for allowing interconnection with additional modular guide bases in any of the various directions.
    Type: Grant
    Filed: September 19, 1974
    Date of Patent: January 27, 1976
    Inventor: Norman A. Nelson
  • Patent number: 3933895
    Abstract: This invention is a group of 17,18-didehydro-PG.sub.1 - and -PG.sub.2 -type oxa-phenylene compounds, and processes for making them. These compounds are useful for a variety of pharmacological purposes, including anti-ulcer, inhibition of platelet aggregation, increase of nasal patency, labor inducement at term, and wound healing.
    Type: Grant
    Filed: July 18, 1974
    Date of Patent: January 20, 1976
    Assignee: The Upjohn Company
    Inventor: Norman A. Nelson
  • Patent number: 3933899
    Abstract: This invention is a group of PGE.sub.2 -type oxa-phenylene compounds, and processes for making them. These compounds are useful for a variety of pharmacological purposes, including anti-ulcer, inhibition of platelet aggregation, increase of nasal patency, labor inducement at term, and wound healing.
    Type: Grant
    Filed: July 18, 1974
    Date of Patent: January 20, 1976
    Assignee: The Upjohn Company
    Inventor: Norman A. Nelson
  • Patent number: 3933898
    Abstract: This invention is a group of PGE.sub.1 -type oxa-phenylene compounds, and processes for making them. These compounds are useful for a variety of pharmacological purposes, including anti-ulcer, inhibition of platelet aggregation, increase of nasal patency, labor inducement at term, and wound healing.
    Type: Grant
    Filed: July 18, 1974
    Date of Patent: January 20, 1976
    Assignee: The Upjohn Company
    Inventor: Norman A. Nelson
  • Patent number: 3933897
    Abstract: This invention is a group of PGA.sub.1 -type oxa-phenylene compounds, and processes for making them. These compounds are useful for a variety of pharmacological purposes, including anti-ulcer, treatment of asthma, and management of renal dysfuction.
    Type: Grant
    Filed: July 18, 1974
    Date of Patent: January 20, 1976
    Assignee: The Upjohn Company
    Inventor: Norman A. Nelson
  • Patent number: 3933900
    Abstract: This invention is a group of 13,14-dihydro-PGE.sub.1 -type (also referred to as PGE.sub.o -type) oxa-phenylene compounds, and processes for making them. These compounds are useful for a variety of pharmacological purposes, including anti-ulcer, inhibition of platelet aggregation, increase of nasal patency, labor inducement at term, and wound healing.
    Type: Grant
    Filed: July 18, 1974
    Date of Patent: January 20, 1976
    Assignee: The Upjohn Company
    Inventor: Norman A. Nelson
  • Patent number: 3933896
    Abstract: This invention is a group of PGF.sub.1.sub..beta. -type and PGF.sub.2.sub..beta. -type oxa-phenylene compounds, and processes for making them. These compounds are useful for a variety of pharmacological purposes, including inhibition of platelet aggregation, treatment of asthma, labor inducement at term, and cervical dilation.
    Type: Grant
    Filed: July 18, 1974
    Date of Patent: January 20, 1976
    Assignee: The Upjohn Company
    Inventor: Norman A. Nelson
  • Patent number: 3931279
    Abstract: 5-Oxa prostaglandin-type compounds and processes for making them. These compounds are useful for a variety of pharmacological purposes, including anti-ulcer, inhibition of platelet aggregation, increase of nasal patency, labor inducement at term, and wound healing.
    Type: Grant
    Filed: May 21, 1973
    Date of Patent: January 6, 1976
    Assignee: The Upjohn Company
    Inventor: Norman A. Nelson