Patents by Inventor Ronald E. Bambury

Ronald E. Bambury 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).

  • Vinyl carbonate and vinyl carbamate contact lens material monomers
    Patent number: 6166236
    Abstract: Novel monomers of the general formula ##STR1## where b is 0 or 1, a is 1, 2, 3 or 4, R.sup.2 is a monovalent alkyl radical and R is an organic radical. The novel monomers may be employed to produce novel copolymers useful as hydrogel, soft non-hydrogel and/or rigid gas permeable contact lens materials.
    Type: Grant
    Filed: January 21, 1997
    Date of Patent: December 26, 2000
    Assignee: Bausch & Lomb Incorporated
    Inventors: Ronald E. Bambury, David E. Seelye
  • Polybutadiene-based compositions for contact lenses
    Patent number: 5708094
    Abstract: Contact lenses are made from the polymerization product of a monomer mixture comprising a polybutadiene-based compound as represented by formula (I)E--B(AB).sub.a --E (I)wherein:A is selected from the group consisting of a chemical bond, --OCO--, --COO--, --CONH--, --NHCO--, --OCOO--, --NHCOO-- and --OCONH--,a is zero or an integer of at least 1;each B is independently represented by the formula (II) ##STR1## where each of m, n, and p is independently 0 or greater, provided that m+n+p is at least 10;R is hydrogen or C.sub.1 -C.sub.4 alkyl;each E is independently a polymerizable terminal ethylenically unsaturated organic group.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: January 13, 1998
    Assignee: Bausch & Lomb Incorporated
    Inventors: Yu-Chin Lai, Ronald E. Bambury
  • Organosilicon-containing materials useful for biomedical devices
    Patent number: 5616757
    Abstract: Organosilicon-containing materials are useful in articles such as biomedical devices, including contact lenses.
    Type: Grant
    Filed: April 8, 1993
    Date of Patent: April 1, 1997
    Assignee: Bausch & Lomb Incorporated
    Inventors: Ronald E. Bambury, Jay F. Kunzler
  • Vinyl carbonate and vinyl carbamate contact lens material monomers
    Patent number: 5610252
    Abstract: Novel monomers of the general formula ##STR1## where b is 0 or 1, a is 1, 2, 3 or 4, R.sup.2 is a monovalent alkyl radical and R is an organic radical. The novel monomers may be employed to produce novel copolymers useful as hydrogel, soft non-hydrogel and/or rigid gas permeable contact lens materials.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: March 11, 1997
    Assignee: Bausch & Lomb Incorporated
    Inventors: Ronald E. Bambury, David E. Seelye
  • Hydrophilic oxygen permeable polymers
    Patent number: 5534605
    Abstract: Polymeric materials comprising novel wetting agents such as 2-isopropenyl-4,4-dimethyl-2-oxazolin-5-one, 2-vinyl-4,4-dimethyl-2-oxazolin-5-one, and the like.
    Type: Grant
    Filed: July 20, 1994
    Date of Patent: July 9, 1996
    Assignee: Bausch & Lomb Incorporated
    Inventors: Ronald E. Bambury, Dong J. Choo
  • Organosilicon-containing materials useful for biomedical devices
    Patent number: 5510442
    Abstract: Organosilicon-containing materials are useful in articles such as biomedical devices, including contact lenses. The materials include macromonomers endcapped with at least one ethylenically unsaturated radical, and monomers. The macromonomers and monomers include units of the formula: ##STR1## wherein: each Y is --O-- or --NR.sup.30 -- wherein R.sup.30 is H or C.sub.1 -C.sub.6 alkyl;each R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 is independently selected from the group consisting of H, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 haloalkyl, C.sub.2 -C.sub.6 alkyl wherein at least one methylene group is replaced with --O--, C.sub.2 -C.sub.6 haloalkyl wherein at least one methylene group is replaced with --O--, and --R.sup.Si ;m and n are independently 0 or an integer of 1 to 6;each R.sup.Si is independently an organosilicon radical; andR is the divalent residue of an .alpha., .omega.-dihydroxyl compound or an .alpha., .omega.-diamino compound.
    Type: Grant
    Filed: May 11, 1995
    Date of Patent: April 23, 1996
    Assignee: Bausch & Lomb Incorporated
    Inventors: Ronald E. Bambury, Jay F. Kunzler
  • Fumarate and fumaramide siloxane hydrogel compositions
    Patent number: 5496871
    Abstract: Novel fumarate- and fumaramide-containing monomers are disclosed which are especially useful in the preparation of biocompatible devices, especially contact lenses.
    Type: Grant
    Filed: March 1, 1995
    Date of Patent: March 5, 1996
    Assignee: Bausch & Lomb Incorporated
    Inventors: Yu-Chin Lai, Ronald E. Bambury
  • Fumaramide siloxane hydrogel compositions
    Patent number: 5420324
    Abstract: Fumaramide-containing monomers are disclosed which are especially useful in the preparation of biocompatible devices, especially contact lenses.
    Type: Grant
    Filed: August 24, 1994
    Date of Patent: May 30, 1995
    Assignee: Bausch & Lomb Incorporated
    Inventors: Yu-Chin Lai, Ronald E. Bambury
  • Fumarate and fumaramide siloxane hydrogel compositions
    Patent number: 5374662
    Abstract: Novel fumarate- and fumaramide-containing monomers are disclosed which are especially useful in the preparation of biocompatible devices, especially contact lenses.
    Type: Grant
    Filed: March 15, 1993
    Date of Patent: December 20, 1994
    Assignee: Bausch & Lomb Incorporated
    Inventors: Yu-Chin Lai, Ronald E. Bambury
  • Hydrophilic oxygen permeable polymers
    Patent number: 5357013
    Abstract: Polymeric materials comprising novel wetting agents such as 2-isopropenyl-4,4-dimethyl-2-oxazolin-5-one, 2-vinyl-4,4-dimethyl-2-oxazolin-5-one, and the like.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: October 18, 1994
    Assignee: Bausch & Lomb Incorporated
    Inventors: Ronald E. Bambury, Dong J. Choo
  • Novel vinyl carbonate and vinyl carbamate contact lens material monomers
    Patent number: 5070215
    Abstract: Novel monomers of the general formula ##STR1## where b is 0 or 1, a is 1, 2, 3 or 4, R.sup.2 is a monovalent alkyl radical and R is an organic radical. The novel monomers may be employed to produce novel copolymers useful as hydrogel, soft non-hydrogel and/or rigid gas permeable contact lens materials.
    Type: Grant
    Filed: May 2, 1989
    Date of Patent: December 3, 1991
    Assignee: Bausch & Lomb Incorporated
    Inventors: Ronald E. Bambury, David E. Seelye
  • Hydrophilic oxygen permeable polymers
    Patent number: 4910277
    Abstract: Polymeric materials comprising novel wetting agents such as 2-isopropenyl-4,4-dimethyl-2-oxazolin-5-one, 2-vinyl-4,4-dimethyl-2-oxazolin-5-one, and the like.
    Type: Grant
    Filed: February 9, 1988
    Date of Patent: March 20, 1990
    Inventors: Ronald E. Bambury, Dong J. Choo
  • Ultraviolet blocking agents for contact lenses
    Patent number: 4719248
    Abstract: Novel ultraviolet absorbing compounds useful in contact lenses and methods for curing contact lenses containing UV absorbers are disclosed.
    Type: Grant
    Filed: August 8, 1985
    Date of Patent: January 12, 1988
    Assignee: Bausch & Lomb Incorporated
    Inventors: Ronald E. Bambury, Joon S. Park, Dong J. Choo
  • 4-Oxo-1-pyridinyl cephalosporin derivatives
    Patent number: 4119775
    Abstract: Novel substituted(4-oxo-1-pyridinyl)acetylaminopenicillin and cephalosporin derivatives are prepared which are useful antibacterial agents.
    Type: Grant
    Filed: October 9, 1975
    Date of Patent: October 10, 1978
    Assignee: Richardson-Merrell Inc.
    Inventors: Ronald E. Bambury, Michael L. Edwards, Laird F. Miller
  • 7 [.alpha.-Amino-.omega.-(2,3-methylenedioxy-phenyl)acylamido]cephalosporan ic acid derivatives
    Patent number: 4033956
    Abstract: Novel 7-[.alpha.-amino-.omega.-(2,3-methylenedioxyphenyl)acylamido] cephalosporanic acid derivatives are prepared which are useful as antibacterial agents.
    Type: Grant
    Filed: July 22, 1975
    Date of Patent: July 5, 1977
    Assignee: Richardson-Merrell Inc.
    Inventors: Raymond C. Erickson, Ronald E. Bambury
  • 7-[.alpha.-Amino- .omega.-(3,4-methylenedioxyphenyl)acylamido]cephalosporanic acid derivatives
    Patent number: 4020060
    Abstract: Novel 7-[.alpha.-amino-.omega.-(3,4-methylenedioxyphenyl)acylamido]cephalosporan ic acid derivatives are prepared which are useful as antibacterial agents.
    Type: Grant
    Filed: July 22, 1975
    Date of Patent: April 26, 1977
    Assignee: Richardson-Merrell Inc.
    Inventors: Raymond C. Erickson, Ronald E. Bambury
  • 6-[(2,4-Dioxo-1-pyrimidinyl)acylamino]penicillin derivatives
    Patent number: 4008221
    Abstract: Novel [substituted(2,4-dioxo-1-pyrimidinyl)acetylamino]penicillin and cephalosporin derivatives are prepared which are useful antibacterial agents.
    Type: Grant
    Filed: February 9, 1976
    Date of Patent: February 15, 1977
    Assignee: Richardson-Merrell Inc.
    Inventors: Ronald E. Bambury, Michael L. Edwards, Laird F. Miller
  • 6-[.alpha.-AMINO-.omega.-(3,4-METHYLENEDIOXYPHENYL)ACYLAMIDO]PEN ICILLANIC ACID DERIVATIVES
    Patent number: 3994877
    Abstract: Novel 6-[.alpha.-amino-.omega.-(3,4-methylenedioxyphenyl)acylamido] penicillanic acid derivatives are prepared which are useful as antibacterial agents.
    Type: Grant
    Filed: July 22, 1975
    Date of Patent: November 30, 1976
    Assignee: Richardson-Merrell Inc.
    Inventors: Raymond C. Erickson, Ronald E. Bambury
  • 6-[.alpha.-AMINO-.omega.-(2,3-METHYLENEDIOXYPH ENYL)ACYLAMIDO]PENICILLANIC ACID DERIVATIVES
    Patent number: 3994876
    Abstract: Novel 6-[.alpha.-amino-.omega.-(2,3-methylenedioxyphenyl)acylamido] penicillanic acid derivatives are prepared which are useful as antibacterial agents.
    Type: Grant
    Filed: July 22, 1975
    Date of Patent: November 30, 1976
    Assignee: Richardson-Merrell Inc.
    Inventors: Raymond C. Erickson, Ronald E. Bambury
  • 6-[(2-Oxo-1-pyridinyl)acylamino]penicillin derivatives
    Patent number: 3994874
    Abstract: Novel [substituted(2-oxo-1-pyridinyl)acetylamino] penicillin and cephalosporin derivatives are prepared which are useful antibacterial agents.
    Type: Grant
    Filed: February 9, 1976
    Date of Patent: November 30, 1976
    Assignee: Richardson-Merrell Inc.
    Inventors: Ronald E. Bambury, Michael L. Edwards, Laird F. Miller