Patents by Inventor Loren L. Barber, Jr.

Loren L. Barber, Jr. 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).

  • Composition for use in electroplating of metals
    Patent number: 4601847
    Abstract: Disclosed herein are novel compositions for use as additives to electroplating baths, comprising a stable microemulsion formed from a functional chemical electroplating agent, which preferably is a brightening agent, water and a surfactant component, the concentration of functional agent in the microemulsion being at least about 1% by weight, based on the total weight of components of the microemulsion.
    Type: Grant
    Filed: October 19, 1984
    Date of Patent: July 22, 1986
    Assignee: MacDermid, Incorporated
    Inventor: Loren L. Barber, Jr.
  • Method for electroplating metals using microemulsion additive compositions
    Patent number: 4502926
    Abstract: Disclosed herein are novel compositions for use as additives to electroplating baths, comprising a stable microemulsion formed from a functional chemical electroplating agent, which preferably is a brightening agent, water and a surfactant component, the concentration of functional agent in the microemulsion being at least about 1% by weight, based on the total weight of components of the microemulsion.
    Type: Grant
    Filed: August 22, 1983
    Date of Patent: March 5, 1985
    Assignee: MacDermid, Incorporated
    Inventor: Loren L. Barber, Jr.
  • Method for the preparation of hydroxyl-terminated poly(haloalkylene ethers)
    Patent number: 4431845
    Abstract: A method for the preparation of hydroxyl-terminated poly(haloalkylene ethers) is disclosed wherein a catalyst system comprising a fluorinated acid and a polyvalent tin compound is utilized.
    Type: Grant
    Filed: March 5, 1982
    Date of Patent: February 14, 1984
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Chung I. Young, Loren L. Barber, Jr.
  • Catalyst system containing a fluorinated acid and a polyvalent tin compound
    Patent number: 4405497
    Abstract: A catalyst system is provided which comprises a fluorinated acid and a polyvalent tin compound. The catalyst system can be used to prepare hydroxyl-terminated poly(haloalkylene ethers).
    Type: Grant
    Filed: March 5, 1982
    Date of Patent: September 20, 1983
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Chung I. Young, Loren L. Barber, Jr.
  • Microcapsule insecticide composition
    Patent number: 4056610
    Abstract: A microcapsule insecticide composition comprising microcapsules each having a polyurea shell wall including as an integral part of said shell a photostable ultraviolet light absorbent compound with a log molar extinction coefficient of from about 2 to about 5 with respect to radiation having wave lengths in the range of from about 270 to 350 nanometers and a liquid fill capable of slowly permeating the shell and comprising a pyrethroid and a biological synergist therefor.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: November 1, 1977
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Loren L. Barber, Jr., Anthony J. Lucas, Richard Y. Wen
  • Carboxy and carbohydrocarbyloxy-substituted 1,1-bis(perfluoroalkylsulfonyl)propanes
    Patent number: 4054596
    Abstract: 1,1-Bis(perfluoroalkylsulfonyl)propanes substituted in the three position by two to three electron-withdrawing groups, particularly perfluoroalkylsulfonyl, carboxyl, carboalkoxy or cyano are catalysts for the polymerization of aromatic epoxy resins.
    Type: Grant
    Filed: March 7, 1975
    Date of Patent: October 18, 1977
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Robert J. Koshar, Loren L. Barber, Jr.
  • 1,1,3,3-Tetrakis(perfluoroalkylsulfonyl)propanes
    Patent number: 4053519
    Abstract: 1,1-Bis(perfluoroalkylsulfonyl)propanes substituted in the three position by two to three electron-withdrawing groups, particularly perfluoroalkylsulfonyl, carboxyl, carboalkoxy or cyano are catalysts for the polymerization of aromatic epoxy resins.
    Type: Grant
    Filed: July 12, 1976
    Date of Patent: October 11, 1977
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Robert J. Koshar, Loren L. Barber, Jr.
  • 1,1-Bis(perfluoroalkylsulfonyl)ethenes
    Patent number: 3962346
    Abstract: Bis(perfluoroalkylsulfonyl)methanes condense with formaldehyde to give highly reactive 1,1-bis(perfluoroalkylsulfonyl)ethenes which are useful as catalysts for epoxy resins.
    Type: Grant
    Filed: March 7, 1975
    Date of Patent: June 8, 1976
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Loren L. Barber, Jr., Robert J. Koshar