Inventor

Charles C. Hwo

Inventor

Sugar Land, TX, US

Overview

50→

Patents

1981–2004

Patent span

Chemistry

Primary field (CPC C)

Patents· 50 as inventor

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

C08Lprimary

C08LCompositions of macromolecular compounds33%

Y10TTechnical subjects covered by former us classification16%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form15%

C09JAdhesives9%

C08JWorking-up7%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

B29BPreparation or pretreatment of the material to be shaped2%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%

A61JContainers specially adapted for medical or pharmaceutical purposes1%

PatentTitleYear

6,740,270'Spin draw process of making partially oriented yarns from polytrimethylene terephthalate'2004 6,702,864'Process for making high stretch and elastic knitted fabrics from polytrimethylene terephthalate'2004 6,539,596'Nonwovens from polytrimethylene terephthalate based staple fibers'2003 6,515,174'Preformed multi-acid adducts useful for grafting polyolefin polymers'2003 6,448,333'Polyfunctional polyolefins'2002 6,271,306'Water based adhesive emulsions based on multi-acid functionalized polyolefins'2001 5,889,121'Method for improving processability of thermoplastics'1999 5,847,051'Block copolymer composition containing polypropylene and polybutene'1998 5,623,012'Pelletizing aid for polymers'1997 5,594,074'Process for improving processability of ultra low melt viscosity polymer'1997 5,585,411'Plastic foams made from polybutylene blends'1996 H0001583'Elastomeric polybutylene polymer'1996 H0001419'Functionalized modified high melt flow polyolefins'1995 5,369,181'Olefinic polymer blends for improving polyolefins'1994 5,359,004'Cocracked polymer blend and products produced therefrom'1994 5,281,483'Metallized films'1994 H0001274'Polypropylene-polybutylene heat sealable laminated packaging film with improved optics'1994 H0001253'Polymer blends'1993 H0001213'Polypropylene-polybutylene shrink film compositions'1993 5,206,292'Pelletizing aid for manufacturing polyolefins'1993 H0001120'Polybutylene in recyclable material streams'1992 5,128,414'Polymer packaging film and sheet capable of forming peelable seals made from ethylenic and butene-1 polymers'1992 5,106,917'Peelable lidstock based on polybutylene block copolymer blends'1992 5,087,667'Film from mixture of ethylene polymer, butene polymer, propylene polymer'1992 5,075,157'Polypropylene-polybutylene laminated packaging film with improved tear strength'1991 5,073,458'Polypropylene-polybutylene laminated packaging film with improved tear strength'1991 5,066,543'Film, sheet and laminate capable of forming easy-open packagings'1991 5,036,140'Film from blend of ethylene polymers, ethylene butene polymer and propylene polymers'1991 5,024,888'Modified polybutylene-base hot melt compositions'1991 4,977,206'Modified polybutylene-based hot melt compositions'1990 4,960,820'Compositions and articles using high melt flow poly-1-butene and polypropylene blends'1990 4,916,190'Film and sheet capable of forming retortable and easy-open packagings'1990 4,886,849'Butene-1 molding resin blends'1989 4,882,229'Blends of high molecular weight polybutylene with low density polyethylene'1989 4,876,156'Film and sheet capable of forming retortable and easy-open packagings'1989 4,870,134'Film, sheet and laminate capable of forming easy-open packagings'1989 4,808,662'Peelable seals using polybutylene'1989 4,769,421'Butene-rich butene-1-propylene copolymer shrink film'1988 4,766,178'Butene-rich butene-1 propylene copolymer composition'1988 4,759,984'Peelable seals using polybutylene-1'1988 4,725,505'Polybutylene blend for form and fill film packaging'1988 4,681,804'Polybutylene room temperature aged film'1987 4,677,025'Unique molecular weight distribution polybutylene blend and film'1987 4,666,778'Packaging film and sheet capable of forming peelable seals with good optics'1987 4,665,130'Packaging film and sheet capable of forming peelable seals with good optics'1987 4,554,321'Film compositions of butene polymers'1985 4,528,220'Plastic bags for medical solutions and blood'1985 4,359,544'Synergistic co-nucleants for butene-1 polymer compositions'1982 4,354,004'Film compositions from olefin polymer blends'1982 4,247,584'Composition comprising a blend of EVA polymers having differing VA contents; films and laminates made therefrom by extrusion; and heat-sealed food bags made from the laminates'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to AMERICAN CAN CO (1)· patent assignee history

1981Based in Appleton, WI, US· patent location history

1982–2004Patents assigned to SHELL OIL CO (47)· patent assignee history

1982–1992Based in Sugarland, TX, US· patent location history

1985–2004Based in Sugar Land, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHELL OIL CO	47	1982–2004
AMERICAN CAN CO	1	1981

Locations

Location	Patents	Span
Sugar Land, Texas, US	34	1985–2004
Sugarland, Texas, US	15	1982–1992
Appleton, WI, US	1	1981