Patents by Inventor David G. Rowsell

David G. Rowsell 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).

  • Alicyclic amides having a physiological cooling effect
    Patent number: 4318900
    Abstract: Alkyl-substituted alicyclic carboxylic acids, esters and amides are disclosed having the property of stimulating the cold receptors of the nervous system of the human body to produce a cold sensation and are used for this purpose in a variety of edible and topical preparations.
    Type: Grant
    Filed: August 11, 1980
    Date of Patent: March 9, 1982
    Assignee: Wilkinson Sword Limited
    Inventors: David G. Rowsell, David J. Spring, Roger Hems
  • Cyclic carboxamides having a physiological cooling effect
    Patent number: 4296093
    Abstract: Compositions are disclosed having a physiological cooling action on the skin. The compositions contain, as the active ingredient, alkyl-substituted cyclohexanamides.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: October 20, 1981
    Assignee: Wilkinson Sword Limited
    Inventors: David G. Rowsell, John M. Gascoyne, Roger Hems
  • Alicyclic amides having a physiological cooling effect
    Patent number: 4248859
    Abstract: Alkyl-substituted alicyclic carboxylic acids, esters and amides are disclosed having the property of stimulating the cold receptors of the nervous system of the human body to produce a cold sensation and are used for this purpose in a variety of edible and topical preparations.
    Type: Grant
    Filed: December 9, 1974
    Date of Patent: February 3, 1981
    Assignee: Wilkinson Sword Limited
    Inventors: David G. Rowsell, David J. Spring, Roger Hems
  • Acyclic carboxamides having a physiological cooling effect
    Patent number: 4230688
    Abstract: Compositions are disclosed having a physiological cooling action on the skin. The compositions contain, as the active ingredient, certain acyclic tertiary and secondary carboxamides.
    Type: Grant
    Filed: May 7, 1979
    Date of Patent: October 28, 1980
    Assignee: Wilkinson Sword Limited
    Inventors: David G. Rowsell, David J. Spring, Roger Hems
  • N-substituted paramenthane carboxamides
    Patent number: 4226988
    Abstract: Novel compounds are disclosed having a physiological cooling action on the skin. The compounds are N-substituted p-methane 3-carboxamides.
    Type: Grant
    Filed: January 18, 1979
    Date of Patent: October 7, 1980
    Assignee: Wilkinson Sword Limited
    Inventors: Hugh R. Watson, David G. Rowsell, David J. Spring
  • N-substituted paramenthane carboxamides
    Patent number: 4193936
    Abstract: Novel compounds are disclosed having a physiological cooling action on the skin. The compounds are N-substituted p-menthane 3-carboxamides.
    Type: Grant
    Filed: January 18, 1979
    Date of Patent: March 18, 1980
    Assignee: Wilkinson Sword Limited
    Inventors: Hugh R. Watson, David G. Rowsell, David J. Spring
  • Compositions having a physiological cooling effect
    Patent number: 4190643
    Abstract: N-hetero substituted-p-menthane-3-carboxamides are disclosed having the property of stimulating the cold receptors of the nervous system of the human body to produce a cold sensation and are used for this purpose in a variety of edible and topical preparations.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: February 26, 1980
    Assignee: Wilkinson Sword Limited
    Inventors: Hugh R. Watson, David G. Rowsell, David J. Spring
  • N-Substituted paramenthane carboxamides
    Patent number: 4178459
    Abstract: Novel compounds are disclosed having a physiological cooling action on the skin. The compounds are N-substituted p-methane 3-carboxamides.
    Type: Grant
    Filed: January 18, 1979
    Date of Patent: December 11, 1979
    Assignee: Wilkinson Sword Limited
    Inventors: Hugh R. Watson, David G. Rowsell, David J. Spring
  • Compositions having a physiological cooling effect
    Patent number: 4157384
    Abstract: Derivatives of p-menthane are disclosed having the property of stimulating the cold receptors of the nervous system of the human body to produce a cold sensation and are used for this purpose in a variety of edible and topical preparations.
    Type: Grant
    Filed: September 29, 1977
    Date of Patent: June 5, 1979
    Assignee: Wilkinson Sword Limited
    Inventors: Hugh R. Watson, David G. Rowsell, John H. D. Browning
  • Acyclic carboxamides having a physiological cooling effect
    Patent number: 4153679
    Abstract: Compositions are disclosed having a physiological cooling action on the skin. The compositions contain, as the active ingredient, certain acyclic tertiary and secondary carboxamides.
    Type: Grant
    Filed: February 14, 1977
    Date of Patent: May 8, 1979
    Assignee: Wilkinson Sword Limited
    Inventors: David G. Rowsell, David J. Spring, Roger Hems
  • N-substituted paramenthane carboxamides
    Patent number: 4150052
    Abstract: Novel compounds are disclosed having a physiological cooling action on the skin. The compounds are N-substituted p-menthane 3-carboxyamides.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: April 17, 1979
    Assignee: Wilkinson Sword Limited
    Inventors: Hugh R. Watson, David G. Rowsell, David J. Spring
  • Cyclic amides having a physiological cooling effect
    Patent number: 4137305
    Abstract: Cyclic and acyclic amides, substituted ureas and sulphonamides are disclosed having the property of stimulating the cold receptors of the nervous system of the body to produce a cold sensation and are used for this purpose in a variety of edible and topical preparations.
    Type: Grant
    Filed: June 2, 1977
    Date of Patent: January 30, 1979
    Assignee: Wilkinson Sword Limited
    Inventors: David G. Rowsell, Roger Hems
  • Cyclic substituted ureas having a physiological cooling effect
    Patent number: 4137304
    Abstract: Cyclic and acyclic amides, substituted ureas and sulphonamides are disclosed having the property of stimulating the cold receptors of the nervous system of the body to produce a cold sensation and are used for this purpose in a variety of edible and topical preparations.
    Type: Grant
    Filed: June 2, 1977
    Date of Patent: January 30, 1979
    Assignee: Wilkinson Sword Limited
    Inventors: David G. Rowsell, Roger Hems
  • Certain substituted amides having a physiological cooling effect
    Patent number: 4136164
    Abstract: Cyclic and acyclic amides, substituted ureas and sulphonamides are disclosed having the property of stimulating the cold receptors of the nervous system of the body to produce a cold sensation and are used for this purpose in a variety of edible and topical preparations.
    Type: Grant
    Filed: June 2, 1977
    Date of Patent: January 23, 1979
    Assignee: Wilkinson Sword Limited
    Inventors: David G. Rowsell, Roger Hems
  • P-Menthane carboxamides having a physiological cooling effect
    Patent number: 4136163
    Abstract: N-substituted-p-menthane-3-carboxamides are disclosed having the property of stimulating the cold receptors of the nervous system of the human body to produce a cold sensation and are used for this purpose in a variety of edible and topical preparations.
    Type: Grant
    Filed: July 8, 1974
    Date of Patent: January 23, 1979
    Assignee: Wilkinson Sword Limited
    Inventors: Hugh R. Watson, David G. Rowsell, David J. Spring
  • Compounds having a physiological cooling effect and compositions containing them
    Patent number: 4070449
    Abstract: Compositions are disclosed having a physiological cooling action on the skin. The compositions contain as the active ingredient certain acyclic secondary and tertiary sulphoxides and sulphones.
    Type: Grant
    Filed: July 20, 1973
    Date of Patent: January 24, 1978
    Assignee: Wilkinson Sword Limited
    Inventors: David G. Rowsell, Roger Hems
  • Phosphine oxides having a physiological cooling effect
    Patent number: 4070496
    Abstract: Compounds and compositions are disclosed having a physiological cooling action on the skin. The compositions contain as the active ingredient certain phosphine oxides. The compositions disclosed include toilet and cosmetic preparations, e.g. toilet water, after-shave lotions, soaps, cosmetic creams and lotions, dentifrices and cleansing tissues, and tobacco and tobacco preparations.
    Type: Grant
    Filed: September 14, 1973
    Date of Patent: January 24, 1978
    Assignee: Wilkinson Sword Limited
    Inventors: David G. Rowsell, David J. Spring
  • Tobacco and tobacco-containing manufactures containing an ingredient having physiological cooling activity
    Patent number: 4060091
    Abstract: According to the invention physiological cooling activity is imparted to tobacco and tobacco-containing manufactures, e.g. pipe tobacco and cigarettes by incorporating therein certain cold receptor stimulating p-menthane-3-carboxamides.
    Type: Grant
    Filed: July 8, 1974
    Date of Patent: November 29, 1977
    Assignee: Wilkinson Sword Limited
    Inventors: Hugh R. Watson, David G. Rowsell, David John Spring
  • Tobacco and tobacco-containing manufactures containing an ingredient having physiological cooling activity
    Patent number: 4059118
    Abstract: According to the invention physiological cooling activity is imparted to tobacco and tobacco-containing manufactures, e.g. pipe tobacco and cigarettes by incorporating therein certain cold receptor stimulating derivatives of p-menthane, viz: p-menthane-3-carboxylic acid, its salts and certain esters thereof, and p-menthane-3-carboxamide.
    Type: Grant
    Filed: July 8, 1974
    Date of Patent: November 22, 1977
    Assignee: Wilkinson Sword Limited
    Inventors: Hugh R. Watson, David G. Rowsell, John H. D. Browning
  • Compounds having a physiological cooling effect, and compositions containing them
    Patent number: 4044120
    Abstract: Cyclic and acyclic amides, substituted ureas and sulphonamides are disclosed having the property of stimulating the cold receptors of the nervous system of the human body to produce a cold sensation and are used for this purpose in a variety of edible and topical preparations and in tobacco.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: August 23, 1977
    Assignee: Wilkinson Sword Limited
    Inventors: David G. Rowsell, Roger Hems